Coping with Stress and Anxiety among Young Adults and Teenagers Most people see the beginning of life once a baby is born. The process of human development slowly unfolds when that infant grows into a cute little toddler --- “learning the ropes” of speech, walking, eating, and playing. Parents, naturally, add Band-Aid and disinfectants to their grocery list as their children begin to take a more daring, active role at home and in play school.