She just sat still as she listened, she still felt lost, but she was keeping up with his answers easily enough, backpack in her lap at that point, fussing idly with the buckles, just one of those things that wasn't quite a nervous tic, just something to do with her hands.
"Seriously?" Was the initial, automatic response before heaving a sigh and shaking her head, "You wouldn't make something like that up." She wasn't really sure what to make of that, deciding to just set it aside to think about later, scratching her head and squinching one eye, "Okay, so alternate universe, end of the world. There any way to call home? Don't want Darla to worry too much." And given as how Sarah hadn't run away in months, that was more of a concern than it would have been not too long ago.