[Ari nods, although the concept of storing the energy is another strange one to her.] It's almost like a power cell, then. Keeping the energy for when you need it.

[The process had been uncomfortable for Ari, but not frightening. A few possibilities occur to her.]

I have a little lingering fatigue - do you know how long that's likely to last? And what's the shift? [None of them have work shifts here; it can't be that.]