Sigmund Freud developed a theory that suggested that humans behave as they do because they are constantly seeking pleasure. This process of seeking pleasure changes through stages because people evolve. Each period of seeking pleasure that a person experiences is represented by a stage of psychosexual development. These stages symbolize the process of arriving to become a maturing adult.
Sigmund Freud developed a theory that suggested that humans behave as they do because they are constantly seeking plea.sure This process of seeking pleasure changes through stages because people evolve Each period of seeking pleasure that a person experiences is represented by a stage of psychosexual development. These stages .symbolize the process of arriving to become a maturing adult.