He took a deep drink of his wine and smiles thoughtfully. "I'd assume it's a choice- no one appears to be telling you that you have to be helpful. And no one here appears to have a clue who I am. It's extremely confusing to just show up here, and so I am grateful for your help." He gives A a grave nod of gratitude, adding, "What this means is that I owe you a favor. That is worth a great deal, where I come from. And I'm sure that with time, it will mean something here."