Re: [Endgame]
You're not understanding. Because those memories aren't gone, they're just hidden. Because you'll get it back. You have the memory now, so you care now. If you hadn't got it now, you'd get it later, and if you get it later, you'd care then. It's not gone. It's not changed. It's not new. It's just not always present right now. Nothing's changed, just covered up. If you were new, it wouldn't matter that those memories came back. They'd be someone else's. But they're not. They're yours.
Do you really know enough of who you are to guarantee that as you remember enough of it, you won't be that person? With more memories coming up? And the experiences here factored in?
[draws a horizontal line on the ground, draws a line through it vertically, bisecting it. Points to the first half.] This is who we were.
[points to the second half] This is who we are. If you look at it from the midpoint, we're new, because we start at that point. But we're one line. We continue to gather experiences as we move forward, grow and change from it, but our past extends beyond that break.