"Nature" is defined as "the traits, abilities and capacities that are inherited from one’s parents." "Nurture" is defined as "the environmental influences or socioeconomic circumstances that shape the behavior of a person" (Feldman, 2011). The nature versus nurture controversy is an ongoing debate concerning the source of human individuality. Both nature and nurture are an apparent part of human development, beliefs about the sources of human individuality and personal improvement have shaped the contours of American social history since before the Revolution. Over the country's first century, belief in political and social meritocracy combined with professionalization of the social sciences to render a cultural emphasis on nurture (Coleman & Ganong, 2014). The psychodynamic, behavioral, cognitive, humanistic, contextual and evolutionary perspective are the six major theoretical perspectives that are used in lifespan development. According to the Sigmund Freud theory, id, ego and superego are the three aspects to everyone’s personality. Nature and nurture relates very closely to the other theories in lifespan development, as they both can be unconscious actions of a person’s personality. Family Life Cycle There are eight stages to the family life cycle according to Freud’s and Erikson’s theories (McLeod, 2008). Understanding these stages of the family life cycle as a school counselor will help to provide the student with the proper references or resources they may need. General Systems Theory According to Karl Ludwig von Bertalanffy’s theory human survival was the paramount purpose for cultivating the uncommon sense of General Systems Theory. General system was defined as any theoretical system of interest to more than one discipline. Awareness of the essential interrelatedness and interdependence of all phenomena - physical, biological, psychological, social and cultural and it transcends orthodox disciplinary and conce