Final answer:
The frequency of sex among married couples can vary greatly depending on cultural and historical contexts, even though modern trends indicate married couples often have sex more frequently than singles.
Step-by-step explanation:
Discussing how often a husband and wife have sex yields insights that are shaped by cultural norms, historical periods, and individual marital circumstances. For instance, recent trends have shown that married couples typically have sex more often than singles, with about 27 percent of married couples in their 30s engaging in sexual activity at least twice a week. However, this frequency can vary tremendously across cultures and historical contexts. For example, in Zande culture, due to the practice of polygyny, a wife might only have sex with her husband a handful of times throughout their marriage. Moreover, historical research, including the groundbreaking Kinsey Report, has revealed that sexual practices like homosexuality and marital infidelity by married women, once considered taboo, were more common than previously believed, challenging the notions of postwar sexual attitudes.
In summary, while there is a modern trend indicating that married couples have sex frequently, it's important to recognize that sexual practices vary greatly among different groups and historical periods, painting a complex portrait of marital sexuality.