It must really suck to to be this guy. To Have to look in the mirror every day and have to face the fact that all the hatred you have kept bottled up inside yourself is seeping out and making your outside look as unattractive as you are on the inside.
I think it’s also jealousy. Sarah probably reminds him of the hot girl in school who turned down his invitation to the prom.
Sarah probably reminds him of ANY girl in the school - they probably all turned him down.
WHAT A LOSER!!!