Read about Reactive Abuse.

It shouldn't have happened and now you know you need to keep a distance from her. Are you able to move out?

You're both victims of circumstances. You're both dealing with life long trauma and until you're both able to seek professional help, it's best that you cut your losses now.

I'm glad she didn't press charges and report you, and I'm glad you're now aware where your anger can take you.

I'm sorry you had to go through all that. My sympathies go out to all of you. This man can deal with his own business crisis. Charma.