In chapter 23, Foster discusses the presence of heart disease in literary situations; he argues that heart disease is the easiest literary tool for writers to use due to the fact that the symbolism is easily comprehended. The heart serves as the representation of emotion; the heart of a character can tell readers a lot about the character’s personality. Phrases such as a heart full of love symbolize strong human emotion connected to loving another person to the fullest; on the other hand, when the heart is ill, it can indicate broken love, evilness, and weakness of the character. Foster moves on to talk about illness in general. In literature, readers are less concerned about the body’s health and more interested in what the disease tells them