It's more for the sake of my curiosity.

Dean's trying to give them a little space to chat among themselves, let them get to know each other, get off on the right foot — which means stepping out of the conversational spotlight for the most part.

Despite that, he can't quite muffle his quiet scoff of, "Pff, nerd."

Quietly, under his breath, and followed quickly by a drink. Don't mind him.