Blair: I know you're here with Chuck, and I can only imagine what he said about me. Limo sex, social torture, freshmen, blackmail. But I assure you, there's an explanation for all of it.
Catherine: Save your breath, Blair. Chuck didn't tell me a thing.
Blair: He didn't.
Catherine: I told him it didn't make any difference to me, because ... despite your best efforts, which are completely transparent, by the way, Marcus will never end up with a lowly Waldorf.