After, Blair rejects Chuck and throws the flowers back into the elevator, Chuck feels lonely. Months has past by and Chuck realizes he can't live without Blair. Chuck does everything to get her back and wants to treat her the way she wanted to.
Blair: Whatever you're going through, I wanna be there for you.
Chuck: We've talked about this. You are not my girlfriend.
Blair: But I am me. And you are you. We're Chuck and Blair. Blair and Chuck. The worst thing you've ever done, the darkest thought you've ever had, I will stand by you through anything.
Chuck: And why would you do that.
Blair: Because I love you.
Chuck: Well, that's too bad.