She insists that moving out was the "right" decision. Of course, you disagree. But, consider this. She'll eat some crow; she won't eat all of it. If moving out was what she needed to do to see that really, she didn't have it so bad living with you. Then moving out was what she needed to do. You didn't need it. She did. For her, it was the right thing to do. That doesn't mean that it was the right thing for you, or for themselves, just that it was right for her. There may be a cosmic "right" and a million cosmic "wrongs", but for her, this was a right. You can give it to her.
