He tenses up when he hears a noise, but relaxes a hair when he sees that it's just Kitty. Still... she could be taken over...

... He reaches into his pocket for his flip lighter, opens it, and flicks it on for a moment before closing it again. Maybe he's being too paranoid.

(But if he'd been more paranoid before, maybe Rachel wouldn't have...)

Tobias doesn't say anything, just looks out at the city again, ready to spring at any moment.