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. GottmanI believe we're going to find that respect and affection are essential to all relationships working and contempt destroys them.
John M. GottmanMarriages are much more likely to succeed when the couple experiences a 5 to 1 ratio of positive to negative interactions whereas when the ratio approaches 1 to 1, marriages are more likely to end in divorce.
John M. Gottman