"Indeed I am," he answers, smoothly as you please. And there's that smile he was threatening to wear not a moment ago. "Thank you." For the chair, he means, and for her hospitality, for seeing him personally and soforth.

He sits, as suggested, and consciously refrains from his usual habit of crossing his legs—and from making any pointless small talk, too, though he was about to say something else just now. Instead, he glances at the dog...thing (although not directly at its eye).