"Oh, it's absolutely excruciating most of the time," except, apparently, the one time his skull was stolen. "But it only happens under extreme force, so nobody can just... yank my head off." Well, they could, but again. Ow. "It's my very special skeleton trick. That and playing my ribcage like a xylophone."

That one's a joke. It was actually the man who murdered him who enjoyed that!