When he mentions the use of polyjuice, Hermione wonders briefly if he uses the potion to become someone else, or to get his partner to become someone else.

She waits for the meals to be set down, and Maria to disappear, before she answers his question. "Why is it such a surprise to everyone that I have a healthy, sexual curiosity and interest?"

"They seem to forget that while I am studious, I can also be very passionate."