Teen movies often have an unspoken underlying premise in which high school is seen as less serious than the adult world. But when your head is encased in that microcosm it's the most serious time of your life.
When two kids are being completely berserk and they're naked and throwing food around sometimes I just let it go because I can see a future where they're going to be dressed and they're going to be at school. So I kind of let stuff go sometimes.