How is Diana's love experience with Dunny portrayed?

Diana's love experience with Dunny is portrayed as her first and only significant love. Throughout "Fifth Business," their relationship is depicted as deeply emotional and meaningful, characterized by a strong and unique connection. This portrayal emphasizes the lasting impact that Dunny has on Diana, showcasing how formative and defining this relationship was in her life.

Unlike other relationships in the novel that may be depicted as fleeting moments or a series of romantic encounters, Dunny represents a pivotal figure in Diana's emotional landscape. This depth of feeling indicates that it was not merely a casual or temporary experience for her, but rather something that left a profound mark, highlighting the theme of love's complexity within the narrative.