Because you like Rose Hathaway in Vampire Academy

He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.

Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.

Insightful about everyone else's neuroses, Rose Lalonde is not as aware of her own. See them in Homestuck.