John Stubbs' essay is an examination of the defense which he believes Henry and Catherine use to protect themselves from the discovery of their insignificance and "powerlessness...in a world indifferent to their well being..." He asserts that "role-playing" by the two main characters, and several others in the book, is a way to escape the realization of human mortality which is unveiled by war. Stubbs thinks that Hemingway utilized role-playing as a way to "explore the strengths and weaknesses of his two characters." Stubbs says that by placi ....