actual meanings
Okay, this thread popped into my head at work yesterday, & I jotted a few notes on my grocery list.
A major (& unacknowledged) pothole in this discussion is that
words suck. So let's start there.
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There's rampant conflation of "love" & "romance" & "romantic love," & I'm guilty too. As a result, I criticise Romantic self-blindness & am characterised as belittling people who love their kids & I probably kick puppies in my spare time. (Though playing Snidely Whiplash can be lots of fun, this is not the time/place for it.)
To the roots, then. While imperfect -- an analogue system in a digital world! -- the classic Greek philosophers defined four types of love --
Respectively, they could be typified as "affection/empathy for friends," "affection for family, especially one's own children" (but in a sorta lukewarm, tolerating way, so it fell into disuse), "affection for core family/household," & of course "erotic/sensual/sexual desire."
When we studied the Greeks in college, I didn't like that these were often presented as clearly demarcated categories. How I feel about a particular person will often shift depending on time, mood, situation, & so on. And maybe I feel more than one sort of love at a given moment.
NRE is
eros; for most, compersion is almost entirely
agape. Being amongst peers at a poly get-together (or here) is primarily
philia.
In all its forms, "love" isn't rational, past a "survival of the species" sort of thing. This is NOT a bad thing; all playing is irrational & pleasurable, & sheer non-goal-oriented "frivolity" is healthy.
https://en.wikipedia.org/wiki/Play_(activity)
Because it is play, too much effort to "understand love" will pretty much kill anything like love. However, there are plenty of life situations where going into "play mode" is clearly dangerous -- like, take a "bumper cars at the County Fair" mindset & activate it while driving the freeway in rush-hour traffic.
IME/IMO, the root problem with love, particularly High Romance, is when it's used to REPLACE rationality, something that is self-servingly enshrined in the canons of High Romantic thinking:
- singer Selena Quintanilla-Perez was murdered by the president of her fan club
- John Hinckley shot Ronald Reagan out of love for Jodie Foster
- in general, stalking is sexy
(Sort of "the police are here, so that proves we're right!!" thinking.)
As nice & even necessary as it is, Romantic thinking is not a reasonable substitute for sanity or rationality. Clinging grimly to a not-healthy
status quo in hopes of the Happily Ever After THE END part is NOT "brave" or "heroic."
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One trope I've often heard from hardcore monogamous types is that loving more than one person dilutes the experience on both ends. By this, they alway mean bugaboo
eros, because (magic!!) both
philia &
agape are somehow limitless.
IME, all that gets "diluted" is available time. But even in strict monogamy, it's impossible to remain "in scene" 24/7 -- ever try to be vampy when you've got a bad cold?

The only option I've ever found is to raise the quality of the times spent together. One factor might be remaining in some form of "love" as much as possible, even if there's something in the situation that makes expression of Romatic/erotic love problematic.