[Their exchange doesn't make much sense and he decides not to comment on it, instead fixing Jack with a long, thoughtful stare so so similar to his usual perceptive expression but with something so much darker lurking beneath his eyes this time. He considers running for it but in the end this seems like the smarter option. Fleeing turns him into a target, this give him an opportunity to keep playing on Jack's emotions, see what he can talk his way into. If he was going to kill him he'd already be dead. That means Jack cares and he can use that. So he finally just smiles, unnerving given the context.]