The Stranger in the Woods: The Extraordinary Story of the Last True Hermit

by Michael Finkel

More prized by his parents than good grades, Chris mentioned, was “Yankee ingenuity”—putting your smarts to work. “It’s better to be tough than strong, better to be clever than intelligent,” he said, repeating a family maxim. “I was tough and clever.”

One’s desire to be alone, biologists have found, is partially genetic and to some degree measurable. If you have low levels of the pituitary peptide oxytocin—sometimes called the master chemical of sociability—and high quantities of the hormone vasopressin, which may suppress your need for affection, you tend to require fewer interpersonal relationships.