[He looks down at his shoe-less foot. The sock is filthy on the underside, and at this rate it's bound to get holes worn into it.]

I could just take my sock off. I haven't been lectured about pneumonia in a while.

[Not that he'd listen to the warnings, anyway. Rather than admitting that, he simply holds his new possession out for Stan.]

A puzzle. Something might be on the inside. Like a prize, or a genie.