7."People who say things like, 'I'm just an asshole!' No. You lack the emotional maturity to deal with others and use nastiness as a defense. It's not cool as a trait. Try to be nice."
8."Hating all genres of music except the one they like. I learned this the hard way by only liking heavy metal and shitting on all other music without giving it a chance. Metal's still my favorite, but all genres have good music."
9."Shitting on things other people like. We all have stuff we don't like, but if you spend ALL your time putting down everything a person is interested in, you don't look cool or edgy. You look like a dick with no interests."
10."People who rev their cars/motorbikes really loudly, and it’s usually quite late at night while most people are trying to sleep."