Reddit top voted comments....
Asking to use the restroom at work.
Party like a rock star and still be expected to get up the next day and function at all.
Pub crawls. You find a pub, it's warm and comfy, you have somewhere to sit, and in an hour you have to get up and walk somewhere. Normally the second place won't have any seats. I'd rather just find a place and stick with it.
Drinking heavily on a Friday night. I only get 2 days off a week, and I'll be buggered if I'm going to spend them feeling like crap.
Negativity from so called friends. People who just can't be happy for other people and their achievements, and treat such things like direct competition.