Throughout Dr. Heidegger’s Experiment, Hawthorn repeatedly highlights how easily a mind is corrupted when dealing with self-expression. The passage (Last sentence of page 159), portrays the theme of how greed and temptation can turn a sound mind into a selfish maddened version of itself. As the once-elderly characters struggle desperately to maintain their youthful appearance they set aside their relationships with one another and turn towards a more animalistic selfish nature. Hawthorn describes the three friends as, “rivals” this word choice is purposefully used to signify these lost ties. These elderly people throwing away years of friendship also signifies how greed and temptation can completely alter a person's morality. Hawthorn delves
