[He nodded at that, it seemed like a logical enough idea actually. Even if it sounded kind of depressing to write a letter of goodbye to people you may have no intention of leaving.]

That wouldn't be so bad, sort of like a will. We'd probably have to update them every now and then, but... at least it would give people some idea.

[At the question he paused, expression growing guarded before answering softly.]

Al's from my future, like I mentioned. When he goes home, he'll go back to that time... There's a lot that I haven't experienced yet, that's already in his past. So, he won't be facing it again.

[His brother would go back to a different time, in his mind a different Ed. Even if they went through the portal together they wouldn't be together, that's how Ed saw it. It killed him to think about, especially because of all the Als he'd met over the years in Purg, this one is different somehow. He didn't want to lose him.]