I hate parties because I was exposed to them from a very early age (like 3 or so), and they just hurt my sensibility. My memories of those parties are of a bunch of people drinking, smoking, flirting, and being sick with loud background music. Actually, my parents took me to this kind of parties until I was like 15 or something when I told them that I couldn't take it anymore. From those experiences, I therefore assumed that all parties where the same and never attended one on my own.
However, I've just discovered there is an alternative kind of parties that have no alcohol, tobacco, sex and loud music: Christian parties. They're just about good food, good conversation, and someone giving a speech. I wish all parties could be the same.