"Good, well, you'd better be," said Greta, choosing not to think about Lazzara's balls any more than she had to, frozen or otherwise.
"Yes, apparently the fifth year girls voted you most likely to - you know what, that's not the point. There were some categories I'm considering investing in a Pensieve just to purge from my brain. The point isn't that the imagination of teenagers is more disturbing than I'd remembered, it's the way you behave around students who - whether or not they are more mature than most of their classmates - are still very much students, and under your authority."