John shifts his hand to Rodney's knee and squeezes a little, sounds exasperated and maybe a little fond when he huffs, "McKay. I don't do this, okay?" John abandons his beer so that he can rub the back of his neck with his other hand. "I don't just show up at people's houses on my route unless I'm bringing them something."

You brought me beer, Rodney thinks. He says, "Then why are you here?"