I wasn't even allowed any contact with family the first two weeks I was in rehab. There's a reason for that.
I'd like to recommend you check into some Alanon meetings for yourself. It's a great place for face-to-face support among those who understand, and starts the process of healing from his alcoholism.
"Codependent No More" by Melody Beattie is an excellent starter book, and I still refer to it often.
Alcoholism is a family disease that pervades every aspect of our lives.
I hope you continue to post, and know that you are among friends!