Soul Age | Everything You Need to Know - The Michael Teachings Commonly called life stages (or milestones), the monads chart the developmental steps within a soul age level. These steps (or stages of life) are often characterized as BIRTH, EARLY CHILDHOOD, ADOLESCENCE, MID-LIFE, LIFE REVIEW, DYING, and DEATH itself. For a comprehensive look at the internal monads, read our article, The Stages of Life.