[Does he think that's possible? Who knows, really. Nor is he sure how he feels about it, when on one hand, he knows that event shouldn't have happened, but on the other, he has no idea who he would be if that hadn't set him on the path he'd taken. What happens to him, if he somehow goes back to such a changed world?

But none of that touches the idea of whatever peace this Luke is attempting to make for Rey's sake.]

I don't know what that means for right now.