No one is an island. We need each other and one another to survive at all times. If we consider the physiology of human being or all the component parts of an organization, we will see that all parts have to work in unison or else, the individual will report sick or indisposed to say the least. By the same token, an organization that cannot work as a team, will sooner or later become dysfunctional.
For the married couple, they need to strike a balance between them in living with little or no disagreement in order to present a common front. Failure to place themselves on a common platform will bring problem that will engulf their children except for divine grace upon the them. Be a team builder and sustainer.