In this excerpt, the narrator responds casually with "Yeah sure, why not?" indicating a willingness to agree or participate in something uncertain or potentially risky. The narrator is also curious and somewhat skeptical, making a mental note to observe the other person's wings carefully.
The narrator humorously considers the possibility that the wings might be fake, imagining they could be remote-controlled and taped on. This adds a playful tone, showing the narrator's mixture of skepticism and curiosity about the situation, adding an element of humor to the scene.