On occasion, the two women went to lunch and she came home offended by some pettiness. And he would say, “Why do this to yourself?” He wanted to keep her from being hurt. He also wanted his wife and her friend to drift apart so that he never had to sit through another dinner party with the friend and her husband. But after a few months the rift would inevitably heal and the friendship return to good standing. He couldn’t blame her. They went back a long way and you get only so many old friends.