"My hair?" He reaches up and touched his tousled waves, grins sheepishly. He'd been subject to the inevitable jibes about red hair back home, but this marks the first time someone has used it as a real mark of other-ness. "No redheads on your world?"

But his follow-up grin was broad nonetheless, wrinkling his nose. "Although really if that's the biggest difference that's almost weirder. I still haven't managed to come up with a decent hypothesis for how it is that apparently there are more worlds than one upon which humans have evolved. Much less red hair."