It ought to be just the thing. Instead, he just feels a little heavier, shoulders sagging slightly. "...later, perhaps."

He's not supposed to be straining himself, with all the blood he's lost. And motivation is at an all-time low, even for something that might have intrigued him before. Though it does bear some consideration in silence for a moment or two.

"Can you create puzzles as well?"

Some repetitive task to occupy his mind might make the trip back a little easier.