She makes an affirming sound – back to non-verbal communication, she thinks blearily, way to go, Carter – and pads barefoot over the grass to sink onto the purple throw next to him, leaning back against the hut wall as she does.

"Sleep okay?" she asks, after another few minutes of sleepy blinking at the dim world around them.

For all she's not a morning person, she does love this: the gray quiet pre-dawn world, the birds just beginning to sing. It feels like they're the only people in the whole world.