For millennia, society’s most elite citizens would bathe only a handful of times a year, only once every couple of months. This idea that you need to bathe regularly has only existed for maybe one century and the idea that you need to bathe every day is less than 100 years old. Clearly it is not natural human nature to bathe as often as we currently do in the developed world. Why did they push bathing on us so hard and what do they gain from it?