"It's - I don't know, it's been a few days." How do they even keep track of time here? Sam still hasn't figured it out entirely. She can mark the days by the rising and setting of the artificial sun, but without a calendar, a schedule of classes and activities, a list of days with names she can recognize, the days seem to blur together, like an endless vacation without an end in sight. Sam's eyes close as she lightly rubs a hand over Emily's shoulder.

"I was gone for a while, I don't know how long, but you've been gone for a few days longer."