Here is an excellent reason for the return to modesty and virginity unto marriage for both men and women: super-gonorrhoea, which is a resistant to most antibiotics:
http://www.shtfplan.com/emergency-preparedness/new-zealand-braces-for-super-gonorrhea-its-a-matter-of-when-not-if_04232018
https://www.radionz.co.nz/news/world/353643/man-has-world-s-worst-super-gonorrhoea
New Zealand is concerned that the bug will reach the land of the long white cloud from Australia, if it is not there already. Completely drug resistant STDs are only years away, so the long painful sexual revolution of the 1960s now has to end.