Not ready to propose this Valentine’s Day? That might be because sex, as the sociologist Mark Regnerus writes in his new book Cheap Sex: The Transformation of Men, Marriage, and Monogamy, has become too easy to procure. In turn, he argues, relationships have gotten shorter, age at first marriage has risen, and overall marriage rates have fallen.
Regnerus spends much of his book tracing the social and technological upheavals that have led to state of affairs. Effective birth control, for one, has taken the risk of unplanned pregnancies out of the equation ...