Benefits of Delaying Sexual Debut (Second Edition) Today's adolescents have an array of challenges before them that previous generations never faced. Fifty years ago, there were only a handful of STIs; today, sexually active teens are at risk for acquiring over two dozen. At the same time, the age at first marriage has steadily risen by 20-25 percent, cohabitations have increased 9.75 times, and sex before wedlock has become the norm, not the exception. If that's not enough, combine the 24 hour media circus with a multi-billion dollar pornography industry, Victoria's Secret at every shopping...