[For a second, Jiro almost looks genuinely kind of hurt that she'd suggest she's doing all this just because she's lonely.]

Nah, I'm not lonely. I just... y'know.

[Though all that very little hurt drops as she ends up looking away, fiddling with a fin.]

I don't want you getting a cold, that's all.

[It's a flimsy excuse, and she knows it.]

What do you need at the store that badly, anyway?