I think I said this before, but I will say it again... my reading of Divorce Remedy endorses a balance between internal work on oneself, and external work on your spouse. A healthy balance of the two.

The latter external work being more important when the threat of marital destruction (through divorce or addiction) is near...

If you are dealing with a classic wayward internal work is important, if you are dealing with a vicious alcoholic then its important to confront them and protect yourself as best you can.