[Arena? He scowls. Of course they'd have arenas here.]

Maybe we'll find him when we leave.

[And then after a moment, where he sort of awkwardly scratches the back of his head-]

So you didn't really have to get me outta here. I, uh... thanks.

[He could have just kept on looking for Genos, if he'd wanted. Instead he's in here, killing time to keep up appearances so he can get them both out safely. Boone was grateful before, but now he really does owe him a drink.]