After accidentally discovering Castiel's hair-pulling!kink, Dean finds himself unable to resist teasing the little angel whenever occasion calls for it. It's all fun and games until Castiel takes things into his own hands...

Coda to 6.10. Dean counted on getting drunk as hell, passing out and hopefully forgetting the craptastic state his life was in for a while. What he hadn't counted on was someone joining him. Dean/Castiel.