After they had picked up some food, Sam gave him the directions for the town between bites. Silence hung in the air for what felt like hours before Sam spoke up again. "Heard anything from Cas? Where's he disappeared to anyways? Heaven?" He asked, being sarcastic at the end. 

He did like the angel even if he didn't understand humans too much or anything about being one. However, he did bring his brother back from Hell and has helped them when they needed him. The only annoyance was his appearing and disappearing at times which usually resulted in unintentionally startling the two.