What you're describing is an extreme of American popular culture, which is a small, biased selection of the American population. I'd be interested to know if th

What you're describing is an extreme of American popular culture, which is a small, biased selection of the American population. I'd be interested to know if there's any evidence that these traits are higher in the average American than in other countries. For N=1, I am pretty quiet, calm, spend plenty of time meditating, and don't really care about superficial appearances.