Males are clearly born with almost zero empathy. From the get go they have to be trained with the discipline as you would a dog, to learn how to have empathy towards other members of their own species, especially the females of their own species. Seems like a defect males pass on to males. Now lets be Very clear; Every male with lacking empathy is a danger to everyone around him but Especially a danger to girls and women. Reality shows us this is simply fact.