Aaaaannnd relax! Whatever your thoughts on war, you'll need to make sure everyone notices your nipples. Of course, your geek mates may be distracted.
Don't ask me why but this page on the art of saying "Hello" appealed to me.
And elsewhere, the inspiration for a couple of famous singers becomes obvious. Dannii Minogue keeps her inspiration close at hand at all times. Christina (or Xtina) Aguilera on the other hand appears to have stolen hers from a baby.