Go sideways... it takes until her chuckle before Shinji realizes that was a joke (!!) she just made, though as the realization settles on him, he answers it with a small puff of a laugh.

"Ah, well, it's easier said than done with things like that, isn't it? Dancing, skating," piloting robots, navigating low-gravity situations, "There's a kind of skill that comes with practice and familiarity, I'm sure."