Carrie: Sweetie, don't you think it's weird that you're thinking of sleeping with someone you don't know, to get closer to Jack? Charlotte: But how well do we ever know the people we sleep with? Carrie (voiceover): That was the thing about Charlotte. Just when you were about to write her off as a Park Avenue Pollyanna, she'd say something so right on, you'd think she was the Dalai Lama.