That would be manifest function.
The manifest function of education has to do with the educations role in the society mainly in how education helps social development and social interaction with other members of the society. There are six manifest functions of education according to Javier and his associates and they are the integration into political social sphere and advancing change, placing an individual into society, interaction with other society members that is socialization, social control, the transmission of culture.
According to the chart of phases of marital satisfaction in the text, the point in the marriage is the level of satisfaction at its peak is when the couple is retired.
Building a successful marriage is a challenge. Satisfaction appears to be a correspondence between the expected and the actual of a relationship according to Burgess and Locke.