Birth Order Stereotypes: All True

At last, science has proved I'm smarter than my little brother. But it's not all hugs and puppies and 2.3 more IQ points on average:

Adler went on to suggest that eldest children are most likely to suffer from neuroticism and feelings of excessive responsibility – and that the melancholy they feel from a very early age never really leaves them. Eldest children, Adler said, are more likely than later-borns to grow up to become alcoholics and substance abusers, and even criminals.