Serena van der Woodsen:  Hey B.
Blair Waldorf: What are you doing here ?
Serena van der Woodsen: In the neighborhood .
Blair Waldorf: Can we talk later ? Despite your best efforts to ruin it I 'm actually having a good day and I do n't want anything to spoil it . Guess who asked me to visit ' The Captain ' with him ?
Serena van der Woodsen: I dunno Nate ?
Blair Waldorf: Yes , it 's like he finally needs me and he is n't afraid to ...
Serena van der Woodsen: Look B I understand why your reluctant to burst your happy bubble but I 'm not giving up .
Blair Waldorf: Well sorry if unlike some people I haven't been on the pill since I was _ 15 _ .
Serena van der Woodsen: Ok I am giving up . Before you start planning your perfect night with Nate do n't you think you should ...
Blair Waldorf: I 'm not pregnant Serena !