"You will," she assured him. "You know, my brother was killed by Envy. Al's armor was the Philosopher's Stone at the time, so he was able to save him. That Envy's currently living in the second building, under Ed's protection."
She looked out the window. "The reason is revenge. The best revenge is living well. Ed's... well, Envy can't kill him anymore, and Ed has all his family back, including a much younger alternate of Envy himself, and that alternate's wife and kids. He's got two spouses, his parents, and several people he calls family in general. And now Envy has to rely on Ed for protection from the others who want him dead, like Riza, or Roy or Al. He relies on Ed for something so basic as a place to live. And meanwhile, Ed has the inheritance, the family, and the power in their interactions. The best revenge is to live well."
Winry looked at Ed. "Someday, that'll be you. You'll have your brother back, your family back in Rizenbul, and you'll be well. And there's nothing he could ever do to take that away from you again."