We've been arguing for a while but decided to do something nice for my birthday. We went out for dinner then to a pretty expensive show. I paid for the dinner and show and he got me some drinks (he's currently not working). It was fine until he got drunk suddenly and just started picking fights with me non stop. Totally ruined the night. It's not the first time recently this has happened. I used to really like him but now I just don't even want to see him again. 