He politely looks away when she kicks up her leg, so as to not accidentally get a peek at anything; really, twelve pounds? Surely that's some kind of hyperbole?

As for him, any possible innuendos he may have accidentally made fly right over his head, and he would be mortified to hear his words could be taken more salaciously.

"Oh? What did you do as his assistant, what was he a professor of?" The news that this woman was involved in academia surprises him; she doesn't seem the type. But as always, he'll keep his mind open. It didn't even occur to him to seek the aid of an assistant here, but if she really wants to help....