"And yours," he replied, a bit disappointed that he'd committed himself to leaving, but pleased nonetheless that it didn't seem like he'd bored her too spectacularly. And considering he'd about gone off on a tangent on history texts, that was no small accomplishment.
He was spared wondering whether he'd happen to meet her again when she suggested it, and he brightened. He was grateful, actually. He was wretched enough at that sort of thing that it usually just never happened if left to him, and it was nice to make more than a casual acquaintance every now and again. "Yes, definitely. I'd like that. Sometime - before the start of term, then."