 It's going to compensate more than it ever has. It's going to move in an anatomical way it never moved. It's going to wear out quicker than it otherwise would have worn out. It's going to fail. The disc below, the disc below L4 is going to fail. It's a fact, known medical science. And the more aggressive you are and the more activities you have, then the higher the chance and the higher the risk it's going to fail. It's like a hip implant.