He can rattle them off in sequence, like body percussion: left arm, right arm, broken jaw, broken nose, mountain bike, BMX, skateboard, street luge, snapped finger, split brow, sprained joint, severed pinky.
When I was small, I would sit on his lap, staring at the stump of his left index finger, rounded and smooth, the top two knuckles so cleanly severed it seemed he'd been born without them.