[the laugh earns her a brief, humorless smile, and then he shakes his head] You might have to. [a beat] From what I've seen, so far, the memories only go away if you talk about them.

[and in a little more depth than just a blanket apology, moving on]

[that in mind and on a breath out, he tells her:] That friend I mentioned? We saw something my world's big, evil mega-cooperation didn't appreciate us seeing. [again, that's not a lie, exactly. he mastered the art of half-truths and lies of omission long before he came here]