My wife has a slight drinking problem. Not an alcoholic but she just can’t control how much she drinks when we’re out with friends. We can’t go out and just have a couple beers or glasses of wine and enjoy an evening.
It starts out as one beer that gets drunk immediately, not chugged, but rapidly drunk, swallow after swallow. It’s like compulsive, it’s there and I have to drink it. Then she needs another one. Can’t just sip and enjoy it, nope, has to consume it because it’s there. About the third beer in, she’s getting intoxicated, but denies it. If I try to get her to slow down, she gets defensive and belligerent. Now it’s up to 5 or 6 beers and she’s loud, belligerent and nasty. We fight and argue about it and go home. Next time we go out I try to get her to control it but it never works, another spoiled evening, because she consumed too much, too fast and will not stop. She usually apologizes the next day and says she won’t do it again. Always does. This is very frustrating. She refuses to get help or counseling as she is convinced in her own mind that everything is fine. What do I do?
LemonVibe 
I think you will find more help here than we can give you http://www.al-anon.alateen.org.
Your wife does have a problem and you will need help getting her to honestly see that she does. She’s not going to change without help and the desision to help herself.
My partner had a similar issue and still kind of does. He says that he just can’t control it and drinking is the only thing that makes him happy. We had spoken about it a lot but never resolved the problem. Over time it has gotten better but not before it got worse. It affected me so much that we nearly broke up about it, I think that was what made him realise that it was a serious issue that was affecting the people around him. He still drinks and gets drunk but not as much as he used to.