In what way does the theme of guilt and responsibility enter the narrative within Chapter V?

The insidious damage caused by the sexual abuse of children becomes a clear focus of Chapter V. The narrator presents Norma's view of events, thereby making it plain that Norma has always blamed herself for the activities that went on between her and her stepfather Pepe. The psychological damage inflicted on Norma's young ego is evident as she struggles to rectify her enjoyment of the affection she received from Pepe with the betrayal she considers herself to have committed against her mother.