In an agricultural society, or during a time of exploration and settlement, or hunting and fathering--which is to say, most of mankind's history--energetic boys were particularly prized for their strength, speed, and agility. [...] As recently as the 1950s, most families still had some kind of agricultural connection. Many of these children, girls as well as boys, would have been directing their energy and physicality in constructive ways: doing farm chores, baling hay, splashing in the swimming hole, climbing trees, racing to the sandlot for a game of baseball. Their unregimented play would have been steeped in nature.

Author: Richard Louv