[Dave is indeed following. With his longer legs, keeping up with the kid only seems to require a casual jog.]

Nah. What else am I gonna do, hang back with those assholes and have an intense discussion about the grey morality of letting kids voluntarily put themselves in danger?

[His expression is hard to read behind the shades, but the slight quirk at the corner of his mouth is hard to misunderstand.]

Besides, can you even reach a vent shaft without a boost?