Fat Amy & Balthazar
"I used to live with Castiel for like two weeks," she said after a moment. "Castiel and Blake. But then Blake... and Sam Winchester... were sent home, and Castiel moved back in with Adam." She nodded. She then considered Balthazar's question.
"Well, it all depends, dear angel friend of mine. Cas is just a friend, and Crowley is just someone I sleep with on occasion. It all depends on you, and what you're looking for tonight."