Serena: Stay. Don't let some stupid scandal make you run away like it did me. Like it does everyone in this world. Blair: Everything's horrible. My whole life is falling apart. Serena: So? Rebuild it. You're a Waldorf remember? People don't tell you who you are, you tell them. Stay and Fight. I'll fight with you. Blair: I'm so embarrassed, I'm so… Serena: So what? Start over. It can be done. I should know. We'll get through this together. Blair: Promise? Serena: Promise.