Your point about being more worried and yet happier at the same time is totally possible. According to the Big Five Personality trait theory from personality psychology, good emotions and negative emotions are two seperate scales, not one scale. Good emotion is Extraversion and bad emotion is Neurotocism.
link here:
http://en.wikipedia.org/wiki/Big_Five_personality_traits
Also, the two biggest things that correlate with success (three overall, two presonality) are openness to new experiences (creativity) and conscientiousness (discipline and willingness to work hard). The other one is intelligence. I reckon YC weeds for those kinds of people.
Also, the two biggest things that correlate with success (three overall, two presonality) are openness to new experiences (creativity) and conscientiousness (discipline and willingness to work hard). The other one is intelligence. I reckon YC weeds for those kinds of people.