Um, you really don't have to do that. Actually, let me put it another way, never do that.

[Just laying the ground rules for any possible emergency that requires sprinting, as one does. She looks towards the ground, and while she's not quite nonchalant, she's clearly trying to play off his concern.]

I'm pretty sure there are way more important things to be thinking about right now, you know? It's not a big deal, I'll live.