For a moment she ponders suggesting maybe they could get a small aquarium on the train-- but then she remembers that there's at least one smart talking cat very fond of fish, even though it isn't her own, huh.. That might not make it the best idea.

But his question snaps her out of that thought before she can consider it anymore than that anyway.

"Huh?" She seems a tad surprised, like she didn't see the question coming, but then she nods. "Yes! I didn't go swimming back home a whole lot, but I learned how to!"