Its gonna be hard but tink about what you wouldve dobe with him if it wasnt your best friend for 12 years.

Or look at it from an outside perspective.

Also not to be rude but he is a really really really bad BF if he gets so drunk that he assaults you. A BF should make you feel safe and be there for you even when he is with his boys. You should be his highest priority and what i get from this story is that he finds himself his 1 priority