According to the Romance Writers of America, “Two basic elements comprise every romance novel: a central love story and an emotionally-satisfying and optimistic ending.” Both the conflict and the climax of the novel should be directly related to that core theme of developing a romantic relationship, although the novel can also contain subplots that do not specifically relate to the main characters’ romantic love. Other definitions of a romance novel may be broader, including other plots and endings or more than two people, or narrower, restricting the types of romances or conflicts.