My Week With Anna Kaiser: What It's Really Like To Do A Celebrity Fitness Bootcamp

One week is no biggie. Right?

I consider myself active. Fitness doesn't come easily for me but I endure it because I always feel better after a sweat. I practice hot yoga. I box. I strength-train. I run the occasional 10K. But it’s easy to get good at the things you like. Once in a while, it’s good to get out of your comfort zone and challenge yourself …