Keeping a stride that was slow for him, but fast enough to be quicker than jogging, he wrinkled his nose up before facing forward again. "Because I have to." Chris realized that could be misconstrued a second later and shook his head. "The scientists who studied me said I could pump rocketfuel through my heart to one of the moons." Which really didn't explain anything, but it seemed relevant anyway.

"I run ten miles a day, to stay healthy and keep living. I will, one day, be the oldest living Panemite. I can't die if I don't stop."