Because you like The Spirit of the Puzzle in Yu-Gi-Oh!

This high school queen bee has everything, including a genius-level IQ—a fact Lydia Martin keeps hidden to maintain her image. See them in Teen Wolf.

Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.

Quentin has his whole life mapped out. It might sound boring, but he likes boring. See them in Paper Towns.