Hythlodaeus freezes at the sudden touch, eyes widening in shock... but what comes next is even worse, and he tries to lean back instinctively, raising his hands before him before remembering that with how close they suddenly are that would mean touching Hades. He feels the heat on his cheeks as he blushes, for the first time in millennia, at something his friend intentionally did.

"I, er, that is--" he stammers, trying to get his composure back. "No, I, I've no desire to watch you--"