India and large part of third world regions are often subject to severe sexual suppression, which is often social or familial in nature, though rarely religious. So how does a tribe like this come to be? Where do its founders come from and how are the so radically different that the norm? - http://en.wikipedia.org/wiki/Muria_people Most of the west was pretty stiff about premarital sex before 1940s too. What was this based on?