Cas promised he'd check in every day and Dean hasn't heard from him in three. In which Dean tries to keep from panicking, finally tells Sam the truth about him and Cas, takes care of his angel when something goes wrong and then takes care of him again on the floor in front of the fire place. Bottom!Cas Virgin!Cas Destiel

Castiel knew that Dean hated being watched without his knowledge. Castiel also knew that he should have made his presence known the moment he had walked in, but Dean's pops and sways were addictive. Cas' chest tightened as he began rubbing his clammy palms on his jeans… (before 9x03)