This document discusses the developmental tasks and challenges of early, middle, and late adulthood. In early adulthood, the key tasks include selecting a mate, starting a family, managing a home, and establishing an occupation. Physical strength peaks during this period. In middle adulthood, tasks involve accepting physical changes, taking on civic duties, and supporting aging parents and adult children. Physical decline and health issues often emerge. In late adulthood, adjusting to retirement, declining health, and the death of a spouse are important tasks. Physical and cognitive abilities continue declining with age. The document also outlines theories of successful aging and common concerns like the empty nest syndrome.