Lorelai: I love that Dad's been good and that things with you and Dad have been good. I... I was hurting. I was heartbroken. And... it happened. I slept with your dad. It's over now, and it was a mistake.
Rory: I can't believe you didn't tell me this. I mean, first of all, you say you don't want to talk. So I figure you're going through some hard emotional time and you need some space. That's fine. But what you didn't tell me is that you slept with Dad. No, instead you're going around joking about, you know, origami and marshmallow sushi, like I'm some idiot 5-year-old.
Lorelai: Rory, I was gonna tell you. I just wanted-
Rory: You know what, Mom? If you're heartbroken, you rent An Affair to Remember, you have a good cry, and drown your sorrows in a pint of ice cream. You get a hideously unflattering breakup haircut. You don't sleep with Dad.