I don't know if you've ever shared your home with a fitness fanatic. I have, and it's a disturbing experience. Both my humans are fitness nuts, you see, and like nothing more than to contort themselves into strange positions, or jump up and down while sweating profusely. Things didn't improve when fitness celebrity Randy Hancock came to stay with us. He told us he'd recently been injected with a slow-acting toxin and only had four days to live...