Had enough of that bridezilla? Feeling alone in a new city? Dealing with the trauma of the worst breakup ever--with someone you never even made out with? We've heard the path to fulfillment has much to do with relationships. But while it's often thought that for young women, it's all about finding the right man, real women beg to differ: It's friendships that are at the heart of happiness. Unfortunately, they're also at the heart of drama, stress,...