HP Crossover

"Hey, wait up! You've dropped your books!"
"Oh... thanks..."
"John"
"Thank you, John. I'm Sherlock by the way"
"I know. The smartest guy of the Ravenclaws"
"Oh, so that's how they call me"
"I think it's amazing. I mean you're always the first in all subjects. It's great."
"You think so? That's not people usually say"
"And what do they usually say?"
"Piss off!"

That's how I see this situation