Almost instinctively, Marian covers her watch with her other hand, hiding it. Just... what is going on here?

Weighing her options carefully, Marian's response is less surprised and more definitively cautious. The less said the better. "...Something like that." After all, she thinks, Ravine doesn't seem to understand it exactly; it's the kind of description that someone who waves everything off as 'magic' might give, rather than the technical explanation, an indicator of some as-yet unresolved timeline conflict.