A Husband and Wife's Opportunity to Share Time and Common

A husband and wife's opportunity to share time and common interests that develop greater mutual respect and understanding

A) tends to increase over the time of the marriage.
B) resembles a bell curve over the time of the marriage, i.e., is highest in the middle years.
C) tends to decrease over the time of the marriage.
D) resembles an inverted bell curve over the time of the marriage, i.e., is lowest in the middle years.