Tyr didn't return Wolf's smile. He stood by the response he gave to Wolf's interrogative questioning, he only felt bad about his reaction.
In answer to Natalya's assumption, he answered, "No, it wasn't that," his face regained some of the annoyance it held the night before, "As intoxicating as you are, my reactions were based solely on his questions." He chews a little more on his breakfast, then adds, "I do thank you for breakfast though."