[...hang on.]

You mean you tried to remember not just that week, but the memories we had that week of... our whole lives there?

[And she remembers, when they'd spoken about it just after the experiment, in the grocery store, how he'd teased her - "But I remember they were soft!" - about things that had never really happened. It's arrogant of her, because a lot had happened in his life, but her sense of apprehension builds.]