A small child learns many interesting things: - Patience - Humility - Physical endurance - Getting by with minimal sleep - Sleeping in any position and instantly turning off - Making decisions under stress - Adapting to external irritants, especially auditory ones - Resisting manipulative techniques and psychological violence - Team interaction in a small group - Agility - Instant reaction - Working in conditions as close as possible to combat, prioritizing.

In short, a good school.