" Nearly every plaintiff testified in almost exactly the same words, describing behavior that included the exact minimum requirements and even the precise legal phrases needed for a fault-based divorce. “The number of cruel spouses in Chicago, both male and female, who strike their marriage partners in the face exactly twice, without provocation, leaving visible marks, is remarkable,” noted the author of one 1950s divorce study.15 "

― Stephanie Coontz , Marriage, a History: From Obedience to Intimacy or How Love Conquered Marriage