The document discusses several topics related to unpacking the self, including the physical self, sexual self, and spiritual self. Regarding the physical self, it describes how heredity works and what traits can be inherited from parents, such as physical features, abilities, and health conditions. It also outlines several key periods of human development from prenatal to late adulthood. The section on the sexual self provides definitions and explanations of terms related to sex, gender, sexuality, and Freud's psychosexual stages of development. It also discusses gender roles/stereotypes and the biological and psychological bases of lust, love and attachment.