As kids we may remember the old trope—often seen on TV or in movies—where a stronger kid would overpower a weaker kid and use the weaker kid’s hands and arms to hit him, asking mockingly, “Why are you hitting yourself?” Most adults would recognize this as illegitimate for obvious reasons: though the weaker kid’s hands are literally hitting him, he is obviously being coerced against his will, such that the stronger kid is the aggressor. While most adults would pride themselves on the ability to distinguish between external coercion and self-inflicted punishment, they often fail this when it