"Curiosity? A sudden desperate craving for cinnamon toast? Because you're delicious?" Wait, that one could be misconstrued. ...nah, both meanings were true anyway. He reached out to touch the wings, carefully. "...these aren't as fragile as they look, are they?" He was only barely stroking them, just in case, though it was certainly turning his finger blue.
He paused to blink for a moment at the last bit. All right, he'd wondered, out of curiosity. But she'd derailed his brain again. "So...sex makes you happy, and being happy equals wings, but being aroused doesn't equal wings?"