This document summarizes key concepts from Chapter 13 of Kathleen Stassen Berger's book "Invitation to the Life Span" regarding psychosocial development in adulthood. It discusses Erikson and Maslow's stages of development, personality traits, intimacy, relationships with family and partners, parenting, employment, and coping with stress. The social roles and relationships that occupy adults are meant to fulfill their needs for intimacy, generativity, and self-actualization.