Both organizations and families are the systems. For successful work of the system that is marriage, realization of four roles is needed. Implementation of great number of duties : caring about each other, care of house and children, providing of necessity to family of profit and т. of п.Being the system, family needs discipline and rules : differently there will not be an order in her. An order must change depending on circumstances, as marriage is a choice on long years, and in time, to remain functional, he must evolve. And, finally, the unity and consent, based on a closeness, must reign in family, to the mutual aid and. to love.So, four different roles must be realized in family, in order that all these actions became possible: Production of results (Production - P), Administration (Administration - A), Enterprise (Enterpreneurship - E) and Integration (Integration - I), that make abbreviation of PAEI. In the case when one or a few roles are made default, in marriage will begin not to seize something, and he risks to break against stones.Nobody can execute all four roles of PAEI simultaneously. Marriage is a взаимодополняющая command, where one of partners undertakes one part of roles, and other - remaining. It explains why oppositions are attracted.However between people with unsimilar styles of behavior frequently are conflicts. A conflict can pass to the destructive phase and result in a divorce. And can help further development and self-realization. It depends from that, whether there are взаимоуважение and trust in family.It is a book on взаимоуважении and trust, and about that, how to develop them and foster in the family.