Jealousy is an ugly emotion, but it tells the truth. You mostly envy those who have what you desire.
Susan CainAll personality traits have their good side and their bad side. But for a long time, we've seen introversion only through its negative side and extroversion mostly through its positive side.
Susan CainIt's as if they have thinner boundaries separating them from other people's emotions and from the tragedies and cruelties of the world.
Susan Cain