According to Alfred Adler, an individual's level of social interest, or social feeling, is key to his or her success in solving the problems of life. Formulated in childhood, social interest refers to how individuals view themselves in relation to the external world. In an ideal form, it should involve a strong sense of community feeling, cooperation and fellowship - if this is absent, individuals will have problems relating to others and dealing with the world. Social interest is a thorough exploration of this key features of Adler's psychology. In it, he explores many of the other key psychological principles with which he is associated, such as inferiority complex and superiority complex, childhood memories, spoilt children, the nature of neurosis and the significant of dreams.