"You will not get to be these things, of course, until your body earns them. First scrimmage, pick your way to the line on the track—there are bodies all around you, the parts of them the closest all bulging and intimate: the parts, on a crowded bus, that you’d normally strain to avoid. You try, because it seems logical, facing the direction in which you’ll be skating, but feet snake between yours at awkward angles. It is a Jenga puzzle, Twister, your struts already hopelessly tangled.