This is what we refer to as Quacking. Of course he doesn't want you to leave. He's has a nice, cushy life of drinking with no consequences. If you're not there, all of that goes to crap. No child should be in a home with an active alcoholic. Want to know what happens to those kids? Those of us who were raised in alcoholic homes can tell you the hell that is growing up with an A parent. Stick to your guns. If he really wants to get sober, he will do it for himself, whether you are there or not.