Climbing trees, fighting with his companions, confronting them in violent games, he grasps his body as a means todominate nature and as a fighting tool; he is proud of his muscles, as he is of his sex organ; through games, sports, fights, challenges, and exploits, he finds a balanced use of his strength; at the same time, he learns the severe lessons of violence; he learns to take blows, to deride pain, to hold back tears from the earliest age.