Since I wrote a mystery novel about a reality show, many people assume that I am a diehard reality show fan. I watch them now and then, but my favorite shows are actually sitcoms. Once in awhile, my husband and I catch a rerun of Wife Swap and find it amusing. There was one episode featuring a mom entrepreneur who was obsessed with preaching about health, vision boards and positive thinking. My husband said, “Wow, she’s you on steroids,” and I was particularly intrigued by that episode. We have also watched Undercover Boss a couple of times. Despite finding the occasional reality show interesting, I don’t watch them regularly, basically because we don’t have enough room on our TiVo. So why did I write SINK OR SWIM, which features a personal trainer who appears on a reality show? Frankly, I find our culture’s fascinating with reality shows an interesting phenomenon and the idea for the book popped into my mind. I wanted to explore what could happen when a normal person becomes thrust into the limelight, and why someone might try out for a reality show in the first place. In the book, ambitious personal trainer Cassidy Novak has always…