She is really worried about him--she knows he can't want to remember painful memories, but it's an obvious sign that something's tampered with his mind...and anything could be different. They just might not have realized yet what else could have changed.

It's also clear that he doesn't want to discuss it, and she feels a little guilty for bringing it up. But they need to figure it out.

When he lets go of her hand, her arms hang stiff at the sides of her body. "I don't really know what to make of it yet... Maybe we should have you checked out at the hospital later." That seems like a good starting point, better than talking about all the times people he loved died.