A new study may provide both a cautionary tale for parents of cool kids and a moment of schadenfreude for adults who were bullied in childhood. 
At 13, they were viewed by classmates with envy, admiration and not a little awe. The girls wore makeup, had boyfriends and went to parties held by older students. The boys boasted about sneaking beers on a Saturday night and swiping condoms from the local convenience store. They were cool. They were good-looking. They were so not you. Whatever happened to them?
“The fast-track kids didn’t turn out O.K.,” said Joseph P. Allen, a psychology professor at the University of Virginia. He is the lead author of a new study, published this month in the journal Child Development, that followed these risk-taking, socially precocious cool kids for a decade. In high school, their social status often plummeted, the study showed, and they began struggling in many ways.
It was their early rush into what Dr. Allen calls pseudomature behavior that set them up for trouble. Now in their early 20s, many of them have had difficulties with intimate relationships, alcohol and marijuana, and even criminal activity. “They are doing more extreme things to try to act cool, bragging about drinking three six-packs on a Saturday night, and their peers are thinking, ‘These kids are not socially competent,’ ” Dr. Allen said. “They’re still living in their middle-school world.” READ MORE