You and Castiel were working a case, and it went sideways. You two couldn't save an innocent family, and Castiel blamed himself.

Castiel walked into the motel, trembling. This case was a lot on Castiel. He stood still in the middle of the motel room. He was quiet until a few unfiltered, heartbreaking sobs fell from Castiel's lips.

Castiel collapsed onto the ground, curling himself up in a ball. He started crying, babbling in Enochian.