Welcome to a great place for support and understanding. I have no experience to offer since I was the alcoholic in my family and have no spouse or partner. YOu may want to copy and paste this thread over in our Friends and Family forum. THere's one for F and F of alcoholics and one for F and F of substance abusers.
Oh, never mind. I see that you know about the F and F forums!
Again, welcome to the family!