High School AU! Dean Winchester had the life, He was the star of the football team, and all the girls loved him. That is, until his best friend, Gabriel, tells him that he has a brother moving in. Dean sees him in the window of Gabriel's house, and he can't seem to get the kid out of his head. When he finally meets him, Dean learns the kid has a secret that changes everything.

Castiel is given a prescription from his brother, Gabriel to join a gym to relieve some stress. He doesn't know what he's getting himself into when he joins Gym Winchester and meets owner and personal trainer, Dean. First ever fan fic so please don't be too harsh. :) Destiel and Sabriel