Dean: cas where are you? You've been gone for 3 hours.
Cas: I'm at the pet store. There is so many animals here.
Dean: yea well hence the name. Look don't buy anything okay? We already have a cat.
Cas: but I saw this green fish that reminded me of you, and I really wanted to get it. But ok, I'll forget about it.
Dean: fine cas. you can get the fish. But no more pets after this, I mean it.
Cas: ok dean I promise no more pets after this one. Could you come pick me up?
Dean: ok be there in 5.
Cas: see you then.