There's no need to pay me back. [He understands the sentiment, though. Even when he was Ken's age, Barnaby had possessed a sense of reciprocity.]

He's doing well enough. Thank you for asking. [As he speaks, he starts leading them into the diner.] Was there some reason you wanted to know, or were you just curious?

[Because he knows Kotetsu about as well as he knows the back of his hand, and he knows he has a tendency to get into bad spots while conveniently forgetting to tell his loved ones about it.]