The metallic hand curls into a fist and her smile falters. Her delight fades entirely when she glances to his face and sees the quiet horror behind his eyes. "Here, let me." Gentle as ever, she takes the prosthesis and helps him maneuver it to where it should be. (And if he jerks away from it, it won't land on the floor.)

"It will take some getting used to, we knew that. Just take a deep breath, like before, and use your other hand to mirror what you want it to do. If you'd prefer, please just tell me and I'll shut it down."