[Then she'll definitely feel him pick her up in a princess carry, after a second, and it seems like he just starts running forward at a pace where they should slam into a wall, from her perspective, in two or three good strides. These strides last about a dozen paces instead, before he jumps, and lands, running a bit more.]

You can open your eyes, if you wish. Or I can just keep carrying you everywhere, but your brother might have questions for me after that.