Sirius eyed the half-blood across from them, noting the worried look on his face. He got up, leaned forward, then sat down again with a nod, giving the boy a thumbs up. "You smell great. I'm Sirius."

That said, he turned back to James, wanting to find an argument to win this for Severus. But, well. he couldn't deny that Severus did indeed not smell good. So what did he do? "You look like an owl with those glasses. Betcha you suck up to teachers."

Ha.