• When a couple gets to the last stage, one or both partners may have an affair. But an affair is usually a symptom of a dying marriage, not the cause. The end of that marriage could have been predicted long before either spouse strayed.

    John M. Gottman: When a couple gets to the last stage, one or both partners may have an affair. But an affair is usually a symptom of a dying marriage, not the cause. The end of that marriage could have been predicted long before either spouse strayed.