I'm sorry you are struggling.
Def slow it down!
What you want to do next... you could take your time to decide and not decide while under mega stress!
SHORT VERSION:
If this is more than you want to be dealing in... it's ok if you have hit your personal limitation to say so. Could pick where you are at:
- I want to be friends at this time.
- I want to be your BF, not one of your poly BFs at this time. I only want to deal in (you + me) while you are dealing with your rape/suicide healing.
- I want to be one of your poly BFs at this time but not with HIM.
- I want to be one of your poly BFs at this time.
YOU decide what you will and will not participate in, HOW you will behave in it, and HOW you expect to be treated in it by others.
Choose well.
Galagirl
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LONGER VERSION:
She was nearly suicidal from the guilt of hurting me.
I'm honestly the first good relationship she's ever had (this includes a couple of guys who stopped just short of raping her)
Honestly? I'd wonder if your GF has had enough healing from these things -- rape attempts and suicide attempts/thoughts? -- to
be a healthy partner to anyone right now. Polyship or not!
One could not cheat. That is choosing your own behavior. But having cheated? Guilt of dealing with the consequences of your own behavior could not go out to the
suicide end! That's extreme!
Trying to heal from rape attempts ALONE is rough.
Either load alone is tough, but BOTH together? AND we want to add healing from a cheating affair? AND we want to launch a new polyship? With the cheating partner?
Jeez -- talk about stress load to have to digest!
She has stress from rape attempt recovery, suicide thoughts recovery, cheating affair recovery, polyship launching.
You have a GF with (rape and suicide recoveries) stress, cheating affair stress, polyship launching stress.
The other BF has GF with (rape and suicide recoveries) stress, cheating affair stress, polyship launching stress.
Things in life happen. Nobody PICKS to be assaulted... but you
can pick WHEN you start a polyship. You all could spread this out so it's not all piled on together!
You seem to care for her, so if she has unresolved issues with rape/suicide -- you could encourage her to get
appropriate health care/help for them. First things first.
You could also consider not rushing to enter a new relationship with her post cheating. Could choose to have some breather space in between there. You've been through emotional and mental stress. Be friend rather than BF. That isn't "abandoning" her -- that's putting her health ahead of the relationship's health and well being and its problems. Solve one thing at a time.
Then you have THIS other person and his stuff....
I'm open to trying out an open relationship, but I have really negative emotions tied to this guy. Do I kick him out of the group or slow things down so that we have time to work through these issues?
Could ask to slow it way down, dude. Why is it even a question? Remember this?
I guess the biggest trouble for me is that things went back to normal between the three of us too fast, especially with him.
BOTH of your potential poly partners comes with baggage. This makes them the best partners for you HOW at this time?
Is neither one of them willing to slow it down and work out issues? You could not sign up for crazy town polyshipping. Could seek to REDUCE your stress load, not increase it at this time. If they don't want to postpone, you could bow out.
Are you good at being assertive and deciding things for yourself? Is this an intrapersonal skill you are good at or would like to grow? I cannot tell.

But you could obey your own limits of tolerance and not ask yourself to go beyond.
If you want to consider if/when you might polyship with these folks...
She seems like she's trying. Probably
willing at this time but not actually ABLE at this time if she has other heavy baggage from suicide/rape issues to solve first.
And he's... willing but clueless? Rushing? I don't know. Something.
And you are uncertain in your willingness. You could sort that bit out and become certain and more firm of purpose.
Do you want to be in polyship with him or not? Is it a hard limit?
No amount of time could cause you to warm up to him even if he tried to make amends for the cheating start? Don't be in this polyship with him and her then. State your limit so she and he can know where you stand. Help move it forward.
If it is more of "soft limit" thing that could change over time?
So you could be willing to be in polyship in time with these people if conditions are met?
- She gets help with the rape/suicide health recovery thing?
- And he does ______ behaviors?
- You grow more assertive skills (?)or whatever else you think you need?
If yes, help move it forward. You all could delineate what behavior each of you could do in the "time out" time to become healthier partners. Could agree on WHEN you all come together in future to assess progress made in that time out time and if launching a polyship NOW is better time to begin.
You could make up your mind.
Definitely forgive. You don't need to hold a grudge forever. It is bad for your own mental health.
But "giving opportunity to make amends" and "start a new relationship with her" and "start a new relationship with (him +her)" are optional.
You don't HAVE to opt in to all the above. Could choose only some. Or none. You don't even have to be dating these people at all. You could choose to forgive, end the dating time, and just be friends. Not start ANY new dating with (just her) or with (her as the hinge person and him as the metamour.)
Let me lift up the most important bit you wrote:
And I'm just trying to maintain my relationship and looking for the best way to make everyone happy without sacrificing my own happiness.
Happy WHEN? Right this minute or ultimately? Happy HOW? All dating together or all single or something in between? Could take the TIME out to think all that out. That's what you seem to want and need... so could decide to take the time.
If the best way for all three to have a shot at "ultimately happy" is to not be dating partners right this minute, even though that is disappointing it isn't the end of the world. You could consider it.
- She could take the time out to get herself back to full health and deal with the suicide/rape stuff appropriately with you and him supporting her AS FRIENDS. She could work on her interpersonal skills so he's not breaking/cheating on future agreements to be a better partner.
- He could take the time out to become a better partner and work on his interpersonal skills so he's not breaking/cheating on future agreements.
- You could take the time out to rest from emotional and mental stress and work on whatever skills you need.
Then regroup at a later time to see if NOW is a better time to try to launch a polyship with these (hopefully healthier) people... or not.
Right now you all sound in wonky healths. It's not the best time to be making big decisions in a rush.
Could choose to take the time to make them well.
GL!
Galagirl