Different world, huh? [Man.] Lot of things really could sound crazy to me these days, but I think I'm gonna let this one take the cake.
[And you know, it's sadly that sort of tone that makes him question all this the most. Because it's not the sort of thing he'd be able to fake, is it? Nor certain other changes going on here, like your physical... everything. But rather than make some obvious point of staring at his arm, for example, Sam instead just holds out a hand as a greeting. Perfectly harmless.]