I would confront him WITH his family there, He needs to SEE that YOU are not the ONLY one hurt here.
That is a big part of the problem. He seems to think that his choices only hurt YOU.
I agree with Allen on this, but I would NOT do it -- as he recommended above -- when he walks thru the door and has been drinking and is already drunk. THAT is a recipe for a family disaster of epic proportions.
The next day, or soon thereafter, preferably with the assistance of a professional intervention counselor as facilitator, would be best.
