NONOOONONON IT'S UNHEALTHY HE RAPE YOU AND KIDNAPPED YOU. YOU WANT TO ESCAPE NOT LIVE WITH THE FUCKING PYSCO
Psycho*, also it's not as simple as that. Yes those things did happen, nor is it ok for a complete happy ending, because of that, however cutting black and white aint it.
If you really want to put it like that, the relationship as kids was extremely toxic, and it was basically rape. Dubcon.
One of them started this entire mess, not entirely their fault, and now it's coming to an end, and matter how you feel, it's what the author wants.
Black and white doesn't cut it for a story as psychological as this
I mean yea... That how it happen..