"Yeah, well, I burn more when I'm on my feet," she said, stretching her shoulders. "Just give me an hour of cardio and then we can move on to floor exercises later." She'd enjoy the sex too, of course, but she was absolutely addicted to working out. If she wasn't in the gym at least four hours each day, she felt like she was slacking off.
"He keeps me in shape," she said, grinning. "Taught me everything I know. Has more energy than anyone I've met." That was the best thing about working out with Naruto. He could push her harder every workout and still be going strong when Kimber was out of juice. Plus learning from a ninja was just cool.