I know why it's difficult for you. My own difficulties stem from a number of things.

And I honestly don't know. They were both spouting utter madness, and that's the most I can tell you. Envy's always disliked the Elrics, for whatever reasons he has, but...

I don't have the faintest idea what either of them are talking about. Except Sloth's death. Which I was as much a part of as Alphonse or Edward, though I met with my own fate before it happened.