Because you like Roy Mustang in Fullmetal Alchemist

After becoming accepted into the group of popular girls, Tracy Freeland has turned from a sweet and reserved teenager into a monster. See them in thirteen.

After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..

Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.