You and Castiel are best friends, but the two of you got into a major argument. And now Dean and Sam locked you two in a room at the bunker so you both could talk things out.

"Look, you two. We know this isn't ideal, but you two have been mean and passive-aggressive towards each other for the last week and a half. Sam and I are both done with it. So figure it out."

Dean said before walking away with Sam.