"Pass me the wrench."

Dean held his arm out behind him, head deep under the bonnet.

Sam passed him the tool and went back to pondering the universe.

"Sam, I said the wrench dammit!"

"I...but… that is a wrench isn't it?"

"No Sam, those are pliers – this is a wrench – see the difference?"

"Yeah, I guess. Sorry."

"C'mon Sam. The least you can do is make sure you know how to look after my baby."

"Yeah, I know. It's just that I don't want to."

"What?"

"I don't want to have to know that Dean. I just…don't."