Physical abuse? Out! Out! Out! Less than five percent of abusers reform and only if they are highly motivated. Just go! Be safe, that is the most important thing. In years down the road, if he got help on his own, maybe...but go. And then work on yourself. Find out what part of you needs to change to attrack a healthy person into your life. Good luck. Be safe
Arguing with reality is like trying to teach a cat to bark—hopeless. (Byron Katie)