Answer:
devitalized marriage
Step-by-step explanation:
The research used 10 parameters to "measure" a marriage's happiness: communication, couple closeness, couple flexibility, personality compatibility, conflict resolution, sexuality, leisure activities, family and friends, financial management and spiritual beliefs.
Devitalized couples basically score very low on all 10 areas and at least one spouse is considering or has considered divorce. They are very unhappy with their marriage and have very few areas in which they are actually happy with each other.