Two of the point of view characters played a mother and stepson in a sitcom. The running gag of the sitcom that the stepson was attracted to the mother. In their off-camera life, they have a romantic tension that feels incestuous, despite the fact that they are not at all related. Before the events of the book, the actor who played the stepson slept next to his naked mother as a child on multiple occasions, sometimes being naked himself. This actor also has a sexual tension with the mother's daughter as well. Although they are not related, there are sibling dynamics to their relationship.