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A teen-aged boy, king of the world, will spend weeks in front of a mirror perfecting some difficult trick with a lighter, a muscle, a tennis ball, a coin. Why do we lose interest in physical mastery? If I feel like turning cartwheels—and I do—why don’t I learn to turn cartwheels, instead of regretting that I never learned as a child? We could all be aerialists like squirrels, divers like seals; we could be purely patient, perfectly fleet, walking on our hands even, if our living or stature required it. We can’t even sit straight, or support our weary heads.
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