"…May I ask why.”
"Hey, hey, hey! My shower, my rules, right? But I actually have a good reason for it, so no need to set places of fire. I found out that someone other than me has been using it 24/7 and honestly, I thought it was Barton because he’s a dick so I wanted to caught him in the act but — Why are you even using my shower, anyway?”
"… My shower is broken."
"And you’re telling me that you, Headmaster of Hogwarts can’t magic up a new one? Geez, this is why you called me? How did you get my number, anyway?”