First thing first, you won't be able to help anyone else if you aren't well yourself. From the sounds of it, you are still drinking, so it's kind of like the blind leading the blind. I understand that he is your friend and you want to help him, but could it be a possibility that you are taking on too much? In some ways, I feel that you are being codependent on this person too. You are using all your energy to help him when that energy should be spent helping yourself at this point in time.