his saying so used to infuriate the pet owners around him , but in spite of the discomfort his opinions inflicted upon others , he saw no flaw in seeking to spurn any lasting relationships with the sort of people who could selfishly justify depriving a dog ( for example ) of her instinctual drives , her spirit even , for the sake of rendering her a silly plaything , their doll to dress up and feed , their surrogate for a child ; a surrogate who , in fact , never lost her dependence on her master and who would never eventually go forth into the world , as might a child , to seek her own destiny .