Scarring. It's the second time she's mentioned it, and his mind presents him with a list of possible implications, unbidden. He supposes it doesn't actually matter how it happened; if the information becomes relevant she'll tell him. But as it stands it's a bit of a Schrodinger situation-- as though every possibility had actually occurred, because he doesn't know the one that did.

"Could be an elaborate ruse. Some type of incredibly advanced virtual reality," he says, stressing the last two words with a bit of distaste. "Of course, it would seem real until you escaped it. But the multiple lives concept would be a bit cliched, in that case."