Ted: What? Why would you do that?
Heather: Because you deserved it.
Barney: Ted, you know I'm no saint. And yes, it's true that time I drove your mother to the airport... Well, let's just say there was a very confusing, sexually charged moment in short-term parking. But I said I would never go near your sister, and I meant it. You should have trusted me.
Heather: You're so convinced I'm still some out-of-control teenager, you missed the fact I grew up. I'm gonna find a hotel. I'll get my things later. Merry Christmas.
Barney: Your mom and I kissed.