[Pyotr resists the urge to poke at the brightly colored strips plastered on Walter's arm, having never seen such a thing before in his life.]

Oh no, I'm fine. [He grins.] I'm already all taken care of, fit as a fiddle.

Do you want to lie down? I can give you my jacket as a pillow...

[He's already taking it off. This is very normal. He's just a kind, caring person who is concerned for his friend!]