Not too sure if cave man went down on cave woman or vise versa... I am sure there are a few history buffs with greater knowledge of the subject who could better pin point the time in history when it first became popular...
perhaps it was a practice that began at the same time of cooking when people, although they were cooking all of thier food, they still liked the taste of a little raw meat every now and then.... More scientifically speaking the jiz contains pheromones and hormonal substances that the members of the opposite sex instinctively crave. There are many even more primitive animals that will sniff and lick each others groins before mating....
but regardless of what our paleo ancestors may have or have not done....Its one of the few things I enjoy eating, regardless of if its paleo or not....
