Tiggs, hugs to you. I am sorry to hear about what you are going through. It sounds like you are in a lot of pain and understandably so. Please try to take care of yourself for these next two weeks while he is in rehab.
Keep posting--you will find a lot of support here. You might also find it helpful to post in the Friends and Family forum:
Friends and Family of Alcoholics - SoberRecovery : Alcoholism Drug Addiction Help and Information