Terrence tried to remember if he'd been thinking about other girls at the time. He didn't think he had been; no, in the last class, he'd been thinking about how he might set up the device for dripping water. So that was no use.
"That's all you've got?" he said, a bit disappointed. He'd been somewhat glad to hear that Z had been at least partially unaffected by the professor, and had hoped that he had some useful advice. "I couldn't even bring myself to quit her class when I was writing to her. It doesn't matter what else I'm thinking about. It's like she's got some kind of love potion perfume, or something."