To sort of vibrate, exhausted but far from sleep. Then she remembered that she had an app for Burton and Leon’s drone games on her old phone, and that Macon would have moved it to her new one along with the rest of her stuff. She got the phone from beneath the pillow and checked. There it was. She launched it, selected a top-down view, and saw a low satellite image of their property, the roof she lay under a gray rectangle, while above it moved, in a complicated dance, the twenty drones, each one shown as a point of light, weaving something she knew to call, if only from tattoos, a Celtic knot. Each one to be replaced by one of the twenty spares, then recharged, in rotation.