Dan: But how can I guarantee that she's not just going to screw it up?
Serena: Because I won't let her. She may not know this world, but I do. And I will protect your story and you.
Gossip Girl: Careful, S.
Dan: I have your word?
Serena: You have my word.
Gossip Girl: Everybody knows the road to hell is paved with good intentions. And shady bosses.