Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
3.9% of all women surveyed say they never wear underwear.
80% of American men say they would marry the same woman if they had it to do all over again.
50% of American women say they would marry the same man.
58% of men say they are happier after their divorce or separation.
85% of women say they are happier.
< 3% of mammal species are monogamous, including Dwarf Mongooses, Beavers, otters, foxes, and Prairie Voles (shown above)