I'm almost afraid to ask, but-- what do you mean? ["things that affect people" is pretty cryptic. Does she mean illness? He's honestly not sure, but if it's something medically related, he's finding himself pretty glad Baymax got dragged here with Hiro.]

That's... Honestly? It's a relief to hear. I hope I can see them all again.

[Since...well, since going back home to them isn't an option. But before he can continue, he pauses, the hissing sound catching his attention.]

Do you hear that?

[The second he asks, the car suddenly stops suddenly, making him frown. That couldn't be good.]