The Reason Undergads Don't Diagnose

Anyone who wants to know the human psyche will learn next to nothing from experimental psychology.  He would be better advised to abandon exact science, put away his scholar's gown, bid farewell to his study, and wander with human heart throught the world.  There in the horrors of prisons, lunatic asylums and hospitals, in drab suburban pubs, in brothels and gambling-hells, in the salons of the elegant, the Stock Exchanges, socialist meetings, churches, revivalist gatherings and ecstatic sects, through love and hate, through the experience of passion in every form in his own body, he would reap richer stores of knowledge than text-books a foot thick could give him, and he will know how to doctor the sick with a real knowledge of the human soul. -- Carl Jung (from "New Paths in Psychology", in Collected Papers on Analytic Psychology, London, 1916)

Jung developed a series of archetypes that fit into each individual and make up who he is.  Iago, throughout the play exhibits a selfish disdain for his fellows, acting in a way that is purely beneficial to himself.   He easily twists his words and his behavior to cater to anyone who crosses his path.  His behavior and interactions display exactly who he is as a character, but he also seems to be lacking character.  A role in a play is someone in a costume.  Iago is a character in dozens of costumes.  Where does the costume become the character and where does the character meet costume.  Iago seems to get lost in the depth of his own character.  He doesn't even have a driving goal or motivation.  He lacks anything that would humanize his character and bring it down to earth, reel it in from the inhumane.  He shows no regret, no remorse, and it is unclear if he even feels a measure of success because of the way in which he interacts with others.  He is never truly himself, if a true self exists.  Jung's personalities are battling within Iago and none of them seems to be able to peaceably coexist.