There's a book? Stars, of course there's a book. She needs to find it, and hide it as soon as she possibly can--

Cole's question interrupts that frantic train of thought. She's panicked, and her emotions are extra volatile. Her first instinct is to snap about what a stupid question that is, but by this point she has mostly learned to resist voicing such caustic reactions. Instead she pauses, forcing herself to consider what he's asking more carefully.

"That's... An interesting, if impossible scenario. Though I understand you're speaking hypothetically," Peridot grumbles, padding out time while she thinks of her answer. "Um. Are you specifically asking me if I'd undo my past actions?"

Mr. Feelings vs Ms. Logic-Pants over here.