According to Morris and Maisto (1998), the psychoanalytic theory begins with Freud’s discovery of the unconscious-all the ideas, thoughts and feelings of which an individual is not normally aware of. These ideas of Freud form the basis of psychoanalysis, a term that encompasses both his theory of personality and the form of therapy he invented. Morris and Maisto further explain that according to Freud, human behavior is based on unconscious instincts or drives and that some instinct are aggressive and destructive which he called thanatos and others such as hunger, thirst self preservation and sex which he called libido are necessary to the survival of a species. However, it is important to understand that Freud used the term sexual instincts to refer to not only erotic sexuality but also to the desire for virtually any form of pleasure. Thus in this broad sense Freud regarded the sexual instinct as the most critical fact in the development of personality.
Holland (1995) explains further that Freud upon emphasizing the unconscious divided the mind into three parts, the conscious, preconscious and the unconscious. The conscious mind is what an individual is aware of at any particular moment, their present perceptions, memories, thoughts, fantasies and feelings. The second, working closely with the conscious mind is what Freud called the preconscious, what is today called "available memory" that is anything that can easily be made conscious. Consequently, this leaves the unconscious as the third part of the mind which Freud emphasized is the largest part. He likened the human mind to an iceberg with the tip comprising the conscious and preconscious. The rest of the mass then represents the unconscious. According to Freud, the unconscious does not just include things that cannot easily be brought to awareness but that it is also the source of an individual’s