Everybody has a good side and a bad side. But I think ya wanna find a bad side like, he's TOO generous, or his teeth are TOO white, or even he loves his mother too much, or he works or golfs too much. This kind of alcoholic bad side - is just not how you want to spend your time, how you want to live your life. Cos it sounds more like a lifestyle he has than anything else. And who changes their lifestyle? Ask a weight-watcher how hard that is! Good luck.