Sorry to hear you are going through this. While it's true that you cannot control what he does, you do NOT have to sit alone in your bedroom. While you decide whether or not you want to continue to live in this situation, have you considered attending Al-anon meetings? You will find a great deal of face-to-face support there. Please read the various threads here and see what other people in your position have done. You don't have to be miserable just because he chooses to drink.
Welcome to SR!