The true story of the missionary position.

3. It is probably the oldest. It is believed that even our ancient ancestors, primates, did this. And the primitive people in the caves probably lay face to face, he was on top, and a fire was burning nearby. Who knows… 4. This is the most popular position. In a famous study of male behavior (Kinsey Studies, 1948), 90% of the women interviewed claimed to use this position, with 9% having sex only in it. A lot has changed in the world in 70 years, but the statistics, alas, are unlikely. 5. It can be called the armadillo pose. Because armadillos do it too, although it sounds unusual.