If what you want is PERFECT, you may end up with nothing. If you cherish what life endows you with, you shall find out life does not fail anyone. Each one of these four city girls has encountered at least one great love, but apparently they all fail to grasp it.
Big and Natasha got married. Carrie and Aidan got together. Carrie and Big had sex and told Aidan about this, so they broke up. Natasha found out about Big's affair with Carrie, and left Big for this. Big called Carrie again.