i confronted my husband on his drinking. it doesn't interfere with his life but it was becoming a habit to come home and have several beers while doing stuff after work. on the weekends, it would start at around 4:30 and we'd have wine with dinner after his beers. most of the time it isn't a problem and he wasn't abusive but sometimes, he was just no fun to be around.
one night when he came home after he was an ass the night before i told him:
1. your family has a long history with alcoholism and it is genetic, you could be headed down that path
2. your behavior changes when you drink whether or not you think it does.
3. it affects our relationships.
4. you may not be an alcoholic but you are on the continuum.
he was kind of stunned and did't respond. but he toned it down ever since.