2. do not trust anyone who doesn't like King Crimson.
3. do not trust anyone who likes Shadow Gallery.
4. do not trust anyone who thinks the average johnny prog-metal band is more original than Tool.
5. do not trust anyone who refers to 'harsh' metal vocals as "unlistenable, talentless cookie monster garbage."
6. do not trust anyone who thinks prog is inherently better than everything else.
7. do not trust anyone who says "X is not music," where X is an artist they do not like -- ALL sound is music (doesn't mean you have to like it, but it's still music).
8. do not trust anyone who thinks pop music sucks by default.
9. do not trust anyone who prefers margarine to butter.
10. do not trust anyone who has anything remotely positive to say about Nickelback (even "well they suck, but they aren't THAT bad" -- no, they are that bad, and much worse).
11. do not trust anyone who listens to any major composition by Gyorgy Ligeti and doesn't experience a serious, hardcore revelation.
12. do not trust anyone who likes "classic rock" like AC/DC.