She nods, to his second comment, then shakes her head. "Return home, with an unpaid debt of honor? No, that would be... a bad thing. Even if only I knew, it would still tear me apart. No, I will remain with you, until at least my debt is paid." She considers for a moment, then, somewhat shyly and quietly, adds, "Among my people, it is common for a female who owes a male a significant debt to pleasure him, until he is satisfied."