"We could... make up a measure of time, map it to... gah, no. Imprecise, on top of her guessing already. Never mind. High-schooler. Whatever."

Max sighs.

"Look, whatever we do with her... it's no use trying to keep the secret, especially if she's ever going to get home. Whoever we stick her with is going to need to keep her safe from the media circus, when it gets out."