That actually sounds like a horrible relationship. If she really said "Ok, don't let the door hit you on the way out", I see no reason to be with someone like that. Life's way way too short for bullshit like that tbh.
No, that's not what she said. It's a bit of hyperbole on my part. And like I said it's not an overt problem with attendant issues, no binging or black outs. And it doesn't come up that often.
