Malfoid is already in the dormitory with the window open and the cold coming in, and she has been waiting.

MalfoidIt's in the water. I had a pint of it. I am not sorry and neither are you.

She pulls you onto the bed and gets your clothes out of the way with the efficiency of someone rigging a harness.

MalfoidTwice. Then we go and check on the rest of them. That is the deal.

The first is fast and the second is slow, and she makes far more noise the second time, which she will deny.

Somewhere below, the corridor is getting louder.