"In a world of toppling values—what price petting?"
(click ad, from a 1950 issue of Senior Prom for Girls magazine, via) "Show this advertisement to your PARENTS." Chapters included: Fighting Off The Wolves; Is Sex A Must?; Are Fathers Necessary?; and Mommy, What Does Semen Taste Like?
Related: copyranter's in-depth examination of Jane magazine's (RIP) trade ads.