Then you get married and have to hide your consoles behind the door and dig them out when you want to play so you never play . no , I ' m not bitter . I like that dumb candle thing on the entertainment center <| sep |> This isn ' t a debate . This gets asked often , and shows the asker has not spent any time researching the well understood information on how and why our species evolved and developed morality hint it has nothing whatsoever to do with religion . Here ' s a beginning point for your research All social species , including ourselves , have necessarily evolved social drives to allow them to function as a social species . Further hint Kohlberg . <| sep |> But then it kind of becomes a circular reasoning , right ? Private property is that which we legally define as private property . It does become murky when you want to be a dick , though . If , for example , you gave a gift to someone , but demand that they return after a while . You paid for it , it is your property after all . The line gets blurry from giving to loaning .