He's definitely thought about this differently than she has -- he seems to treat it as a choice, as though it's a conscious decision to be weighed out and made. Her eyes flick away, embarrassed, though she's not sure she could say why. "I guess . . . I didn't think it was even a possibility?" No, that's not right, and quickly she shakes her head. "I mean . . . that if you lose the memories away from here, it doesn't seem like that's okay."

Trying to put her fingers on why, frowning slightly, she adds, "I mean . . . it would be nice to forget in some ways. There wouldn't be aliens any more. Or little sharks. But it seems . . . wrong?"