social confidence

Although our self-esteem is a product of the recent experiences in life and the way we've processed them - negative experiences and a subsequent negative thought process will inevitably lead to low self-esteem - it is entirely possible to reprogram yourself into processing these experiences differently.
Parents don't necessarily want pretentious know-it-all children with whom you can't get a word in edgewise. However, social confidence doesn't necessarily mean dominating every social situation.