Two months shy of walking down the aisle, Amy Harrington can't imagine why she's suddenly having fantasies about other men. Sure, her sex life has become, well, routine, and she's never felt more confused about her future. Is this what saying "I do" is all about? If she asked her best friends, Caitlyn and Leah, they'd say she was suffering from a potent mixture of chronic good girl syndrome and sexual code blue. Now, Amy can't help but think that...