Hardwired?

Al99

Well-known member
Are we hardwired for polyamory? Or is it a lifestyle choice? Does the answer vary by individual? I realize that the topic has been discussed here extensively - but thought I might revisit it again.

First, I would suggest that it is inaccurate to say that one is hardwired for polyamory per se, as polyamory is not only about a preference or capacity for multiple partners, but is also defined by an ethical system, which at its most basic minimum includes the tenet: "with the knowledge and consent of all involved". I think one would be hard pressed to argue that one is born with an innate ethical system built in. Along the same vein, one might be equally hard pressed to say that we are born with an innate ethic for marital fidelity. The practice of polyamory is always a lifestyle choice - although the preference for multiple partners might not be a choice, just as a sexual preference is most often not a choice.

I would suggest that the more accurate question would be - are we hardwired for monogamy or non-monogamy? Or is a lifestyle choice? It would almost certainly seem to be a choice as to whether to one practices consensual non-monogamy or non-consensual non-monogamy. But is our desire for a pair bond or a desire for multiple partners a choice, or is either one part of our genetic imprint?

A couple of years back, my wife asked me to open our marriage so that she could ethically explore her resurgent feelings for an old college boyfriend. I promised her that I would give her request a thorough and fair hearing - and I spent a great deal of time and energy doing just that (lots of reading, many hours of long talks, sleepless nights, some meditation, a few tears, a couple bottles of Crown....) There were many pros, cons, points of consideration, and the like - but one of the most important thoughts that came to me was the question, "If I had born and raised in a society where non-monogamy was the societal norm, would I still have the same strong belief in monogamy". The honest answer had to be "no", and thus the conclusion was that my preference for monogamy was largely (if not completely) due to cultural conditioning.

And I set about to make a deliberate effort to de-condition my cultural conditioning for monogamy, immersing myself in the study of poly. And over the last couple of years, I've read 20 or so books on poly or books directly relating to poly, dozens of web articles and podcasts, probably thousands of forum posts. The effort was successful and I now self identify as poly, have a kitchen-table-ish poly relationship with my wife's (Becky's) boyfriend (Ben), and a ldr with my poly girl friend, Betty (and my visit to her home town was all kitchen table with her partners, metamours, etc).

Now that I have moved beyond my initial struggles and reorientation, I have begun to look at the bigger picture. And I wonder if our species is actually primarily non-monogamous in biological orientation, but pushed into a mono mode by a few thousand years of cultural bias and religious indoctrination. And that the vast majority of our species might have formed non-monogamous cultures under different variables, with perhaps some pair bonding that did not include sexual exclusivity.

The anecdotal evidence would certainly suggest this - not only all those who actually cheat (a number I suspect is far greater than the polls suggest), practice serial monogamy, date and have sex with numerous partners while single - but all those who are tempted and look and lust vicariously while remaining faithful because that is the "right" thing to do, and yet might still give into temptation if the right "safe" opportunity came along An objective observer would have to wonder if sexual exclusivity is in the nature our species at all, even if we do often pair bond.

Early in my study of poly, I came across the book title, Sex at Dawn: The Prehistoric Origins of Modern Sexuality by Christopher Ryan, Ph.D. & Cacilda Jethá, M.D. I saw this title referenced a few times as important read relating to polyamory. I did take a look at the blurb, but at the time I was still just trying to figure out the basics of polyamory, so didn't put it on my reading list - especially since it didn't seem to be directly about poly. Also, as one who has read a lot of hard science over the years, my first impression of the blurb was that his was just another pseudo-science book.

However, as I began to give some thought to the subject, I decided to give it a second look - read a few of the reviews, and decided do give it a shot. And, I'm glad I did. In fact, I wish that I had read it early on in my study as it would have been quite helpful in processing my thoughts about the nature of monogamy and non-monogamy. The authors' premise and conclusions coincided with what I had concluded from my anecdotal observations, but from a much more scientific evaluation. Instead of being pseudo-science, I found the book to be one of the books that "explain science to the layman" (think Hawking's books on esoteric physics). The book presents a solid, even if not completely definitive, argument that our species in actually non-monogamous by nature (or at least, non sexually exclusive). There is more to say about this book and the attendant criticisms, but I will save that for another post as time permits.

So - are we hardwired for non-monogamy? My guess is yes, but society as a whole is so culturally and religiously conditioned that monogamy seems to be the "right and moral choice" for most people. So, even though not truly wired for monogamy, most make that lifestyle choice and make some attempt to live that way - but most often not very successfully (especially if we include those who stray vicariously).

Thoughts are welcome.
 
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Humans are social mammals ... with a LOT of wiggle room for tendencies and preferences, etc., which result from the fact that we're social mammals ... with a lot of flexibility built right into who we are as as social mammals.

We absorb a LOT of our tendencies and preferences from the social group to which we belong. We're profoundly socially conditioned. And yet we are also free -- to varying degrees and in various ways -- to investigate and question and even to doubt our conditioned preferences.

That's also human.

We're neither "wired" for monogamy or non-monogamy. Our social conditioning is flexible. Our biologically driven tendencies are ... flexible. We're probably so much of each that neither fully takes the lead, but neither can be ignored, either. In other words, it's complicated.

Some of our biologically determined tendencies are VERY potent. Others are weaker, more flexible.

Put us up against survival and you'll see which are which. We will kill and die for water, for food, for air.... We will struggle and fight for sex, for belonging, for connection.... We will whimper and whine over matters of mere preference and "taste". And we will differ tremendously from one person or tribe to another.

That's human. We're weird.
 
I submit that there is a slider, with "100% exclusively monogamous" at one end, and "100% exclusively polyamorous" at the other end. A person at the monogamous end will always be happiest in a monogamous situation, and will never be happy in a polyamorous situation. A person at the polyamorous end will always be happiest in a polyamorous situation, and will never be happy in a monogamous situation. Most people probably live somewhere in the middle, they can be somewhat happy in a monogamous or a polyamorous situation, depending on the details and on whether their slider is closer to the monogamous or polyamorous extreme. We could then speculate on whether the majority live closer to the polyamorous end, while still supposing that a few live closer to the monogamous end. We could also speculate that one's slider may move back and forth during one's lifetime. Finally, we could posit the existence of a more general slider, with "100% monogamous" at one end, and "100% nonmonogamous" at the other end.

One of the things I like about "Sex at Dawn" is that it doesn't just spoon-feed me all the answers, it lets me agree on some points and disagree on others, and in the process it prompts me to think. I do agree that humanity's current view of the slider is starkly skewed to the monogamous end, in most cases to the 100% monogamous end which is surely erroneous. I even think that most of us are probably more wired for nonmonogamy than for monogamy, even if most of us don't realize it. But I don't think we're all 100% nonmonogamous either, I think most of us probably have a little monogamy in us, and a few of us probably have a lot of monogamy in us. What remains is what social programming conditions us to believe, combined with the fact that as *somewhat* monogamous beings, we are often able to adjust ourselves to monogamy and be reasonably happy/content therein. That doesn't mean we couldn't be happier in a polyamorous situation, we just don't realize it.

Human beings are a mix of nature and nurture. This is true of our sexual/romantic selves among other things, at least that is how I currently see it.
 
Are we hardwired for polyamory? Or is it a lifestyle choice? Does the answer vary by individual? I realize that the topic has been discussed here extensively - but thought I might revisit it again.


I think it’s a lifestyle choice that requires the right skill sets and circumstance.

Someone that can compartmentlze and manage/ coordinate multiple romantic relationships running concurrently. Historically I think the unemployed or idle or the wealthy had the time and resources for such relationships. With modern technical advances we have more free time.

Also I’d regard polyamory as conducting romantic relationships not lust filled one off encounters where sex or getting off is the primary goal. Dating and sex actually becomes a hobby. One could argue that the playboys of the past were all about that ...NRE junkies if you will. I can’t think of any of my friends or associates that would fit the “never “ settle down rich playboy they all seem to run out of gas or succumb to pressure. Even the son of a major sports franchise...we were all surprised when he called to share the news. Great bachelor party though😝.

Pair bonding : Desire is one thing and social consequences are another. So a night of hot lust or with a gf of 8 months produces a fertilized egg now what’s the plan ?? If the child lives to see the light of day is he or she going to be treated as a sacred life ...or a life time fuck up. I think here again with advances in birth control and medical science and legal abortions some of the need for pair bonding has evaporated.

I have a couple other thoughts but my phone keeps ringing and there are fires to put out so that all for now.
 
Are we hardwired for polyamory? Or is it a lifestyle choice?

I interpret that to mean at the genetic level. So it is a simple question of looking at who is the most successful at DNA propagation.

Genghis Khan is my sentimental favorite and the most famous. 1 in 200 men in the world are descended from the Khan. In a set of 16 populations across Asia it is 8% of the entire population. Millions of people. He died in 1221.

But he isn't the DNA dispersion leader. He had hundreds of children. But the next step: those children bearing children - the Khan didn't do as well. There is a ruler from Ireland and an emperor from China who did better in that respect, and have surpassed the Khan's genetic imprint.

A man with one wife can father a maximum of around 15 kids. A man with ten can father 150. The Khan officially only had a couple of wives, but bred morning, noon, and night with the young hotties in every place he went, conquering the largest land empire in human history.

Rape is not polyamory. But much of what the Khan and other great Emperors did wasn't rape. Look at Wilt Chamberlain, a record-holder in two ways. Basketball and laying thousands upon thousands of girls waiting outside the locker room, "take me! take me!".

Likewise, to sleep with the Khan but far more important - to bear his children - is going to be a tremendous accomplishment for a maiden. The children, if boys, became the appointed governors of that region and were sent to be educated in China. If girls, then the husbands of those girls became the appointed governors.

Can you imagine the day a maiden concludes that yes, she has the Khan's child inside her... wow. Or the Emperor's child in Rome or the King of Swaziland. That guy had 86 children when I was hosting an exchange student from there.

An average couple nowadays is below 2 children. An average man is less because not all of them have children. So if one man has three hundred children, he can go over a thousand grandchildren easily whereas an average man has around 2 or 3.

So these mathematics are invincible at a large scale. On a smaller scale we see a similar pattern where even today we have "Emperors" of religious sects that separate themselves from the rest of society.

All the land is owned by the church. The farm fields, rivers and lakes, the townsite, everything. With religious tax exemption they run businesses. Farming, furniture production, some even do software/coding, etc. But all the money is nontaxable and the church leader controlls it.

People get nominal allowances for toiletries and so forth but need permission for anything significant. The church leadership can direct the men to build a house, barn, factory, whatever for a couple or it can shun them. It is a small-scale dictatorship.

The most infamous current example is probably Warren Jeffs, a breakaway Mormon sect. Not surprising because the original mormons were polygamous, Joseph Smith having over 80 "celestial wives". There is a note Smith wrote to the father of a 14 year old girl, instructing the father to have her ready out in the corn field that night for our man Joseph.

Well, what father/daughter wouldn't be thrilled at perchance having the son of God, the son of Joseph Smith? It is the same thing we always see with Emperors or the uber-rich and powerful. Hypergamy.

In a word, I think hypergamy explains the genetic success of polyamory. The young wimmin what gots the goods - the stunningly beautiful - have tremendous genetic power.

They logically gravitate to better lives: wealthier, with healthier and better educated children, etc. So what if there are sister wives. How would you like to be back on the floor scrubbing, Cinderella? Oh, does your son, the governor not keep you well enough?

She is a superstar in her family. People come to her for advice, for help, to get an introduction to someone important. An ignorant visitor to the region, if he insults the mother of the Khan's son - someone may even kill that guy to ingratiate himself. So the Khan sends 50 horses to the guy, and he was previously a ditch cleaner.

I understand a key challenge to this view is whether it constitutes polyamory, whether the women love the Emperor. Just watch the little girls in Warren Jeff's cult chirp on about how they hope to ride his Johnson when they get to puberty. Or even sooner, why wait. So long as they live in the Emperor's kingdom, they are in love with the Emperor.

When she escapes from the Kindgom, she discovers Elvis Presley. Showing my age here, lol. Then Warren Jeffs don't look so hot. Because he really isn't a King. Not even a prince or now not even a free-man pauper. He's in Jail.

That sure ended Warren Jeff's DNA propagation. Despite being in prison though, the DNA is out there already having been spread via multiple wives who to this day express deep love for him. Not all of them, but for this discussion the only question is whether it constituted Polyamory.

If you don't understand hypergamy then you don't understand love at the genetic level. This is survival. Forever. Or death of the DNA. Forever. Mother Nature, through natural selection, accomplished the survival objective through a mechanism we call "love".

Forgive me for following the Patriarch-multiple wife model, there are some fascinating exceptions the other way, but historically it is so dominant that it is the one you have to address first.

Thai second wives tell you they love their man. Thai first wives tell you they love their man. He is wealthier and can afford two households. He has a wife and kids in each one. Everyone involved increases the chance of their own DNA survival and dispersion through Polyamory.

It does not follow that being Polyamorous is sound Darwin-level behavior. Marrying a bum produces bad results. Marrying two bums produces even worse results.

So Polyamory is a choice, sure. And I just proved it is in our DNA, literally. The greatest relative successes in DNA survival and dispersion come from Polyamory.
 
I interpret that to mean at the genetic level. So it is a simple question of looking at who is the most successful at DNA propagation.

Genghis Khan is my sentimental favorite and the most famous. 1 in 200 men in the world are descended from the Khan. In a set of 16 populations across Asia it is 8% of the entire population. Millions of people. He died in 1221.

But he isn't the DNA dispersion leader. He had hundreds of children. But the next step: those children bearing children - the Khan didn't do as well. There is a ruler from Ireland and an emperor from China who did better in that respect, and have surpassed the Khan's genetic imprint.

A man with one wife can father a maximum of around 15 kids. A man with ten can father 150. The Khan officially only had a couple of wives, but bred morning, noon, and night with the young hotties in every place he went, conquering the largest land empire in human history.

Rape is not polyamory. But much of what the Khan and other great Emperors did wasn't rape. Look at Wilt Chamberlain, a record-holder in two ways. Basketball and laying thousands upon thousands of girls waiting outside the locker room, "take me! take me!".

Likewise, to sleep with the Khan but far more important - to bear his children - is going to be a tremendous accomplishment for a maiden. The children, if boys, became the appointed governors of that region and were sent to be educated in China. If girls, then the husbands of those girls became the appointed governors.

Can you imagine the day a maiden concludes that yes, she has the Khan's child inside her... wow. Or the Emperor's child in Rome or the King of Swaziland. That guy had 86 children when I was hosting an exchange student from there.

An average couple nowadays is below 2 children. An average man is less because not all of them have children. So if one man has three hundred children, he can go over a thousand grandchildren easily whereas an average man has around 2 or 3.

So these mathematics are invincible at a large scale. On a smaller scale we see a similar pattern where even today we have "Emperors" of religious sects that separate themselves from the rest of society.

All the land is owned by the church. The farm fields, rivers and lakes, the townsite, everything. With religious tax exemption they run businesses. Farming, furniture production, some even do software/coding, etc. But all the money is nontaxable and the church leader controlls it.

People get nominal allowances for toiletries and so forth but need permission for anything significant. The church leadership can direct the men to build a house, barn, factory, whatever for a couple or it can shun them. It is a small-scale dictatorship.

The most infamous current example is probably Warren Jeffs, a breakaway Mormon sect. Not surprising because the original mormons were polygamous, Joseph Smith having over 80 "celestial wives". There is a note Smith wrote to the father of a 14 year old girl, instructing the father to have her ready out in the corn field that night for our man Joseph.

Well, what father/daughter wouldn't be thrilled at perchance having the son of God, the son of Joseph Smith? It is the same thing we always see with Emperors or the uber-rich and powerful. Hypergamy.

In a word, I think hypergamy explains the genetic success of polyamory. The young wimmin what gots the goods - the stunningly beautiful - have tremendous genetic power.

They logically gravitate to better lives: wealthier, with healthier and better educated children, etc. So what if there are sister wives. How would you like to be back on the floor scrubbing, Cinderella? Oh, does your son, the governor not keep you well enough?

She is a superstar in her family. People come to her for advice, for help, to get an introduction to someone important. An ignorant visitor to the region, if he insults the mother of the Khan's son - someone may even kill that guy to ingratiate himself. So the Khan sends 50 horses to the guy, and he was previously a ditch cleaner.

I understand a key challenge to this view is whether it constitutes polyamory, whether the women love the Emperor. Just watch the little girls in Warren Jeff's cult chirp on about how they hope to ride his Johnson when they get to puberty. Or even sooner, why wait. So long as they live in the Emperor's kingdom, they are in love with the Emperor.

When she escapes from the Kindgom, she discovers Elvis Presley. Showing my age here, lol. Then Warren Jeffs don't look so hot. Because he really isn't a King. Not even a prince or now not even a free-man pauper. He's in Jail.

That sure ended Warren Jeff's DNA propagation. Despite being in prison though, the DNA is out there already having been spread via multiple wives who to this day express deep love for him. Not all of them, but for this discussion the only question is whether it constituted Polyamory.

If you don't understand hypergamy then you don't understand love at the genetic level. This is survival. Forever. Or death of the DNA. Forever. Mother Nature, through natural selection, accomplished the survival objective through a mechanism we call "love".

Forgive me for following the Patriarch-multiple wife model, there are some fascinating exceptions the other way, but historically it is so dominant that it is the one you have to address first.

Thai second wives tell you they love their man. Thai first wives tell you they love their man. He is wealthier and can afford two households. He has a wife and kids in each one. Everyone involved increases the chance of their own DNA survival and dispersion through Polyamory.

It does not follow that being Polyamorous is sound Darwin-level behavior. Marrying a bum produces bad results. Marrying two bums produces even worse results.

So Polyamory is a choice, sure. And I just proved it is in our DNA, literally. The greatest relative successes in DNA survival and dispersion come from Polyamory.

Please stop equating polygyny with polyamory (or polyandry or plain old polygamy, for that matter). It confuses the issue.
 
Please stop equating polygyny with polyamory (or polyandry or plain old polygamy, for that matter). It confuses the issue.

Ditto.
 
I agree we are most likely non-monogamous on the genetic level. I also agree that social conditioning plays an important role in lifestyle choices.
 
I agree we are most likely non-monogamous on the genetic level. I also agree that social conditioning plays an important role in lifestyle choices.

Excellent summation. This would represent my understanding as well.

There are certainly many monogamous people who remain completely faithful to their spouse/partner and are perfectly happy and content that way. Nevertheless, I've yet to meet even a perfectly happily mono man (can't speak for the ladies) who does not occasionally look at another person with a sexual thought (even if it's just an appreciation of their body - although they may try to suppress it for religious reasons).
 
Excellent summation. This would represent my understanding as well.

There are certainly many monogamous people who remain completely faithful to their spouse/partner and are perfectly happy and content that way. Nevertheless, I've yet to meet even a perfectly happily mono man (can't speak for the ladies) who does not occasionally look at another person with a sexual thought (even if it's just an appreciation of their body - although they may try to suppress it for religious reasons).
It doesn't even have to be religious people.
My parents are atheist. I know for 100% certainty that my dad would never ever even touch another woman sexually, as he just absolutely utterly loves my mum, I really do believe that if she dies before him then he'll die soon after from a lonely heart.

Yet I'm completely different, they don't know that though, they'd just completely disown me for being a poly/swinger/open relationship type of person.
 
I'm not sure if we're hardwired for this stuff, as everyone is just different.

I think that from a civilised species advancement perspective then religion was needed to minimise people doing bad things.

But these days our planet is vastly overpopulated. We have democratically elected governments, laws, police, military so we don't need religion to prevent us from doing "bad things". There's that many of us now and we're easily the dominant species of our planet that we simply don't need to hold on to the old ways of "survival of the fittest".

Women have many methods of birth control now so they can easily enjoy sleeping around without consequence other than catching an STD. Men are forced to pay up if she wants to keep any "accidental" pregnancy. Men are forced to accept raising his partners children by another man just to win her love. Lots of women now have children by multiple men. Its all now become so very common that its socially very acceptable and its probably why so many married couples are divorcing especially for the woman as she has almost no consequence for leaving her husband.

So now we have a generation of men, particularly the millennial generation who don't exactly work for love any more, as both men and women can just hop into another bed and that's normally accepted now. And is why I think we're seeing the rise of open/poly relationships.
 
It doesn't even have to be religious people.
My parents are atheist. I know for 100% certainty that my dad would never ever even touch another woman sexually, as he just absolutely utterly loves my mum, I really do believe that if she dies before him then he'll die soon after from a lonely heart.

Yet I'm completely different, they don't know that though, they'd just completely disown me for being a poly/swinger/open relationship type of person.

Yes, but even Atheists are affected by social standards based on religion.
 
Anyone who is a serious student of the Bible can see that much of the Old Testament, aka THE Testament of the Jewish faith, especially Leviticus, was nothing more than a list of laws made up by a centralized government, but couched as having come from ancient days, handed down from Yahweh to Moses from the top of a fiery volcano.

People enjoy feeling like the laws are given to them by a deity. But in reality, laws come from groups of people who are trying to organize and centralize a government and governing body. In this way, these "nobles" increase their power and wealth.


In the case of the ancient Hebrews, and as reflected in the Bible, if people would only read it, they had a polytheistic society, with female as well as male gods. When the patriarchy started to rise, the worship of the most popular female deity Asherah (and her laws which benefited women) was outlawed, her priestesses and priests killed, her altars knocked down, her images (those "poles" mentioned in the Bible are correctly translated Asherahs) burned.

(Astarte, aka Ashtoreth, or Ishtar, the Queen of Heaven, was also preached against [in the book of the prophet Jeremiah] and her worship outlawed. Oddly, Esther of Biblical fame, was named after her. But I digress.)

So the male dominated Levite nobility, based in Jerusalem, prevailed. They wrote laws demanding tribute of the best of the peasant's farms be given to them (aka sacrificed to Yahweh). All altars to Asherah were banned. All altars to Yahweh were also outlawed (in Samaria for example), except the ones at the Temple in Jerusalem, in Judah.

Therefore, the laws and the religion of the ancient Hebrews were one and the same. And so it has been in most or all ancient culture. "Church" and state were the same thing! Those in power know that people will behave the way they want if they think "god" wants them to do this or that, or not do this or that, or risk suffering divine punishment. In the Old Testament that punishment was lack of human, animal and crop fertility (they didn't have hell). In the New Testament, that punishment was eternal burning in hell, as we all know.

It's not until quite recently that church and state have begun to be separated. In the past, religion demanded monogamy (for women-- men could have multiple wives) and therefore human females avoided promiscuity. If females were found to be adulteresses, they were banned from society (and therefore died) or killed outright by stoning. Western religion, especially Christianity, was created in a milieu of male dominance. So Christianity benefited males, as did later secular laws coming from emperors and kings.

Sex at Dawn suggest humans are meant to be sexually promiscuous like bonobo chimpanzees. But male humans desired to know who their biological offspring were, to be able to build empires based on their (male) children inheriting goods, money, businesses, land, power in general.

Now that the patriarchy is crumbling, strong evidence of its fall is in the rise of female power, of which polyamory is only one part.

One more note. In the (non-human) animal kingdom, there are a few species which are thought to be monogamous for life. Mono humans love to point to this lifelong pair bonding as some sort of ideal for us. But DNA testing of offspring of these animals has recently come to light. Not all offspring of a female will have DNA of her official mate. She may spend most of her time with her official mate, but she gets some on the side, ;) which of course, increases the strength of the species.
 
Anyone who is a serious student of the Bible can see that much of the Old Testament, aka THE Testament of the Jewish faith, especially Leviticus, was nothing more than a list of laws made up by a centralized government, but couched as having come from ancient days, handed down from Yahweh to Moses from the top of a fiery volcano.

People enjoy feeling like the laws are given to them by a deity. But in reality, laws come from groups of people who are trying to organize and centralize a government and governing body. In this way, these "nobles" increase their power and wealth.


In the case of the ancient Hebrews, and as reflected in the Bible, if people would only read it, they had a polytheistic society, with female as well as male gods. When the patriarchy started to rise, the worship of the most popular female deity Asherah (and her laws which benefited women) was outlawed, her priestesses and priests killed, her altars knocked down, her images (those "poles" mentioned in the Bible are correctly translated Asherahs) burned.

Long ago I read some of the so-called Old Testament ... and found it so distasteful that I gave it up in short order. The New Testament received a similar response from me. It was difficult to engage with and seemed mostly pointless, except for the fact that these books are somewhat at the heart of the inception of what is commonly called Western Civilization.

So I've obviously not put in the time and energy to discover what you've discovered in your reading, Magdlyn.

I have a question for you. I'm curious to know if the picture of history you've made here is widely accepted by historians and/or scholars. (?)
 
Al, if you like science explained to the laymen, you might enjoy Robert Sapolsky - he has written a book and his college course on human behavioral biology is on youtube. In the ?second? lecture he talks about how some species are more pair-bonding (won't say monogamous, because it's usually serial monogamy anyways) and some are tournament-species with more male-male competition non-monogamy. He said humans are quite unusual in the sense that they are somewhere in-between.

I'm afraid that answering questions concerning human sexual behavior we have to adopt this sense of "in-betweenness", like it's never either this or that, only "in some ways for some individuals it's this, in other ways it's that", and this is what makes the topic so difficult. I'm sure you can appreciate that.
 
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