Thinking of time in Presto

The laws of physics don’t explain why time always points to the future. All the laws—whether Newton’s, Einstein’s, or the quirky quantum rules—would work equally well if time ran backward. As far as we can tell, though, time is a one-way process; it never reverses, even though no laws restrict it.

She lives in the present but is consumed by a past in which she cannot imagine the future. Another voice does that for her. The voice of God? The author-narrator? Not there yet.