Hi knowledgeseeker, welcome Thank you for sharing
While I don't have experience with head injuries per se', much of what you've mentioned sounds familiar.
I'm contemplating where or not I want to continue in this relationship if he doesn't seek mental help.
That's a tough yet understandable place to be, knowledgeseeker We're here for support while you work through all of this. We can be of great support to our partners too, without giving up on ourselves or them, even when they aren't actively seeking help:
Supporting your BPD partnerIt's great that you've reached out support and hope you find this community as helpful and hopeful, as I have. Please keep posting and reading and sharing what's on your mind... .
It's great to have to here