Sometimes that's not the whole solution. But you do bring up an excellent point! A strong attitude goes a long, long way. And by "strong attitude", I mean a look-'em-in-the-eye sense of self-confidence. I'm sure you meant the same thing.
It's something that children should be taught at an early age. Certainly before they get to high school!
It’s really true, and definitely carries into adulthood. I could expand on that here, but it would take too long and would divert the discussion....but you are absolutely, positively correct.