ADULTS THINK WITH THE PREFRONTAL CORTEX, THE BRAIN’S RATIONAL PART. THIS IS THE PART OF THE BRAIN THAT RESPONDS TO SITUATIONS WITH GOOD JUDGMENT AND AN AWARENESS OF LONG-TERM CONSEQUENCES. THE RATIONAL PART OF A TEEN’S BRAIN ISN’T FULLY DEVELOPED AND WON’T BE UNTIL AGE 25 OR SO. IN TEENS' BRAINS, THE CONNECTIONS BETWEEN THE EMOTIONAL PART OF THE BRAIN AND THE DECISION-MAKING CENTER ARE STILL CONNECTED TO THE BUTT HOLE