[he's silent for a moment after she's done and asked her question. it's something he's been thinking about since they found Lab #3]

You know...I've been thinking about it for a while, and like you said, there's far too much going on here that I can't just walk away from it. Not when whomever is doing this is still out there.

[glances at her, a small smile spreading across his face] So that means I'm staying.