Actually, he has many options, one of which is to stop drinking and get into recovery. He just chooses not to exercise that particular option. Getting information from a legal source is always a good thing. It doesn't mean you have to "do" anything right now, it just lets you know what YOUR options are. The most important thing in this whole deal is the children and their welfare. They have no choices or options and they depend on you to do what is best for them.