Because you like Bolin in The Legend of Korra

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

Teddy Sanders loves his frat brothers so much he might never leave school. See them in Neighbors.

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.