The level of the spirit - service, to support. To be effective a marriage must have the element of service. To give of yourself. To work at making each other happy. Needs are the deficiencies of personality or abilities.
Potentials are the qualities that can emerge if encouraged and assisted.
Peter is a good example. Pray for each other and with each other. There is joy in serving one who is thankful for being served. The level of Physical - sexual communion 1. There must be three messages transmitted when husband and wife enter this area of marriage.