All humans have a personality. Personality is defined as “individual differences in characteristic patterns of thinking, feeling, and behaving” (insert quote later). Personality is an essential resource for human social interaction and helps define the person. The psychologist tried to understand the personality of a child. Through experimentation and theorizing it can be concluded that the myth “Our personality is not formed until the age of about 5” is debunked. Many psychologists have theorized about the development of human personality. Starting from Sigmund Freud theorized that personality developed through psychosexual phases. Psychosexual stages are defined as “Each stage is characterized by a particular temperament and personality development over a lifetime” states “The idea that happiness depends on personality” (Victoria J Molfese; Dennis L Molfese; NetLibrary, Inc. , 2000, p. 214). Behavioral genetics studies are used to draw conclusions about how a person's well-being and emotions are intertwined. Early childhood temperament is also studied to build the relationship between the subject's well-being and personality development. Temperament is the nature of a person. There are theories that childhood temperament can have an influence on adult personality later in life. “Studies on temperament and genetic studies on behavior are only the first step in identifying and explaining the relationships between personality and the subject's well-being.” (Victoria J Molfese; Dennis L Molfese; NetLibrary, Inc., 2000, p. 219). Aspects of personality are connected to other things that humans develop as they grow. He conducted his experiment in the 1940s. The child observes objects differently than adults. Newborns express words through the body unit to express words. Wolff begins to discuss how the child begins to search for himself “The mirror brings the child to the first philosophical problem, that of comparison with himself; he realizes that he must discover himself, and then the world on his own. (Wolff, 2014, p.72). Wolff talks about three different basic forms of expression used by a child. The following expressions are thought expression, action expression and movement expression. The expression of thought is how memory relates. The expression of action is studied in behavioral observations. The movement's expression is judged by neutral observers on the topic. (Wolff,