Jesus Christ is this terrifying. What they say about victims of abuse eventually returning to the company of their abuser is just scary to think about. Good read.
I'm sure this situation is scary. I've not had someone like me e̶n̶o̶u̶g̶h̶ ̶t̶o̶ ̶b̶e̶ ̶t̶h̶i̶s̶ ̶o̶b̶s̶e̶s̶s̶e̶d̶ ̶o̶v̶e̶r̶ ̶m̶e̶ so I can't relate but I understand.
I had a girlfriend like that back in college, and after we broke up (both my arm and our couple) she started to stalk me, one day she cornered me and menaced/begged me to get back together. Luckily I was with a friend at this time and she drew her away and we went to the police. I never heard of her ever again.
I choose to believe this is that one in a million abusive relationships that actually works out and they both end up healthy and happy shortly afterwards.