Cinder's on the verge of just nodding and leaving, when he finally replies. And it might not seem like much, but he's just touching her prosthetic like it's real, without disgust or even curiosity. She's can't feel it, but it means something anyway. The mechanical fingers twitch, and after a second or two, they curl around his, the lightest possible touch.

"I didn't know that. And I don't want to repeat the process, so just - don't."