[Sano chuckles at her response.]

Oh come on! I bet there's someone who's utterly annoying you by just existing.

[Everyone had someone like that. He had his own row of rivals and frienemies. And without a warning he shoots the Quaffle again, this time in a upper right cross angle, while caling with a broad grin on his face.]

And stop calling me professor! Just 'sir' is fine.