"abandoned in a junk heap by his mother, rejected for a crap game by his father, there was nothing more to lose. He was alone with his own perceptions and appetites and they alone interest him" Being rejected and abandoned by his own parents killed his hopes.He felt that he had nothing else to lose that's why he didn't care about anything else since he was alone.
Cholly had no feelings for no one and his heart was like a rock because as this quote showed he never got love or care by none of his parents so he never knew what love means. Since he never had a relationship with his parent he never learn how to have a good relationship with her child. Not knowing other way to show love besides sex lead him rape his own daughter.
Cholly though that by having sex with his own daughter he was showing love to her. This action made him look a careless and