Send us a text The stages of a man's life are broadly categorized into childhood, adolescence, early adulthood, middle adulthood, and late adulthood, though models vary in specific ages and the number of stages. Some models focus on developmental phases like "Infant, Boy, Man, Father, Elder," while others, like Daniel Levinson's, outline the adult life cycle in more detail with stages such as pre-adulthood, early adulthood, middle adulthood, and late adulthood. MadMenRadio.com