It is not your responsibility to fix people and their trauma. You are not a therapist, you are a partner. If things grt this bad, move on with the other fishes in the sea.
If this was irl, this would be an abusive relationship. Theyre no good for each other and these types of relationships irl are just full of codependency, depression, anxiety, and mental abuse.
Grapists have no empathy. Fffffffffk him upppp