One of the standard examples in contemporary moral psychology originates in the works of social psychologist Jonathan Haidt. He treats people's responses to the story of Julie and Mark, two siblings who decide to have casual, consensual, protected sex, as facts of human morality, providing evidence for his social intuitionist approach to moral judgements. We argue that Haidt's description of the facts of the story and the reactions of the respondents as ‘morally dumbfounded’ presupposes a view about moral reasoning that is more substantial than he acknowledges. Drawing on the philosophical work by Iris Murdoch and Cora Diamond, we explore how different descriptions of human morality, sexuality, and family relations engage us in evaluations ...