We have become a symbiotic relationship where as I depend on you for the survival of me,its is evolution that made us this way,I have grown unacceptably lazy in what you do for me and you to lazy in the tasks I perform for you,paper work for me?I don't think so change the oil for you,ha not in this lifetime,it seems to work like the birds on the rhinos back or plastic covered couches,neither at their fullest potential but a way to share a load disperse the pressure, humor each other share the insanity,scratch my back,rub your feet it is a way to complete what nature otherwise forgot to evolve this situation can resolve but it is handy if it does not...