Many difficulties in psychoanalytic psychology of affects are rooted in the insufficiency of our knowledge of the real emotional experiences of early childhood. Many problems related to that field are still unsolved. For instance: 'Study of the affective reactions following frustration of different component impulses provides a valuable line of inquiry. Variations in the distribution of libido or aggressive charges throughout the different body organs or zones are responsible for characteristic affective experiences. And no doubt these could be traced back to differences in the nature of sensory excitation and of stimulation of the sympathetic system.' A distinction must be made between simple and composed affects, and a composition may in turn be of a different nature: 'The