He chuckles. "Yeah, I've known people like that, too." A pause, while he thinks about it, and his face goes dark, because actually it's not too different to other people being in control of his body while he's dead and waiting to resurrect. He's not aware of anything, but there's a good many times he's woken up somewhere different than where he died or, when a prison of the Master, for example, with his guts spilling out or other similarly nasty surprises.
He shakes his head to shake away the dark thoughts because, hey, Felicity's just arrived here and she doesn't need that sort of stuff going through her head.
"So do you think you actually have a chance of hacking the system from the inside?" he asks, with the first bit of hope he's felt in that area in quite a while.