Ehh...I don't want to go down that route unless he gets violent, which I don't foresee.
Oh? Did you foresee the other episodes of violence?? A woman here in Buffalo got her head CUT OFF by her husband. There was a history of domestic violence there....but I bet she didn't see that coming.
DO NOT STAY IN AN ABUSIVE RELATIONSHIP. You can not predict his behaviors, and if he's using, he's unstable. DO NOT TRUST that you are safe.