Actually,the "pill" started it by removing all sense of responsibility from men. If it failed (as it often did) then she was reviled for "entrapping" the man. The so-called "women's movement" followed which preached that the female was entitled to everything men had -- free (irresponsible) sex, any job they wanted, disloyalty to partner and employer, etc., etc.
Living together before marriage became expected. Don't all couples fight from time to time? How does a family survice those fights if it is just a trial? What happens to the children when the parents decide the trial is over? They certainly haven't learned the concept of loyalty from the grand experiment.
Exactly — the “trial” period of before marriage — why not extend it to marriage itself? that’s when marriage became just a union — why not gay marriage then? We brought it on ourselves allowing this step by step degeneration