Author Marianne Williamson shares a conversation she had with a young man named Andrew.  In his first year of high school, Andrew had acted like a self-described "jerk" and a "total loser."  He treated people badly.  Then, he moved to a different high school for a couple of years. Now, he dreaded returning to his old high school for his final year. He knew how people remembered him.  They would treat him like the old Andrew.  But he wasn't that guy anymore; he had matured and had a new perspective on his life.  He didn't want to be…