"Ah, right." He nodded. Not that he knew that, per say, but it made sense. There were some muggle medicines he had taken before that did not lend itself well to eating. Made one queasy and all, so he could understand it being the same with some potions. Made sense, so he thought nothing of it.

He then brightened up as his books were pointed up, and he kinda did a bounce-turn in his seat to look at the shelf. "Yup! All mine. I've collected them for as long as I can remember. They're all kind of random, I guess. I buy whatever I like, and I tend to like a lot. Like... High Fantasy, Fantasy, Science Fiction, Comics, Action & Adventure... Muggle and wizarding authors..."