No Words

Castiel 'No Words' Novak is mute and a smart guy and he gets bullied for it. Dean 'Money Man' Winchester is a football player with a rich father. They don't interact until Dean and Castiel are sat in the library and Dean gets handed a drawing of himself by some girl. She said that some guy gave it to her to give to Dean and points him in the direction of Castiel. What will happen?