Different people? Like, how people can change over time, you mean?

That's what I'm wondering about. What makes you "you"?

Um, well... [She thinks about it, but in the end decides to be candid] I used to not have any memories! But I met some friends from before, and little by little they've been helping me remember everything. Eheh, well, some things they tried to hide from me... but that was because our past was... really, really painful. That's why I was wondering if people thought it might be better not to know...