She's definitely got a couple inches on him, at least, if they were both standing properly. But that's not particularly unusual for him. She's also deadly serious and he doesn't know what to make of it. Sure, he's been told there are people from all over here, but. He wasn't thinking too far beyond Europe, Asia and the Pacific.

"Uh- yes. I'm from Earth." 'Earther' like 'New Yorker' as if Mars isn't a six month journey away is still a little strange to him. He can't exactly say 'you don't look Martian' despite all the questions brimming to the surface. So he just starts with something small.

"What's Mars like?"