Editor's note: Sia Figiel is one of six CNN viewers selected to be a part of the Fit Nation Triathlon Challenge program. Follow the \Sassy Six\ on Twitter and Facebook as they train to race the Nautica Malibu Triathlon with Dr. Sanjay Gupta on September 14.(CNN) -- For years, I avoided scales. In fact, the only time I got on one was at a doctor's office or during a weight-loss challenge I had joined (yet again).In the past two decades, the numbers on the scale have climbed steadily -- from 225 to 275 to 300 to finally, my all-time high of 400 pounds. In fact, right before I left American Samoa, I went to the ER because I was feeling dizzy. The nurse checked my blood sugar and while I don't remember that number, I vividly remember the scale \incident.\You see, the scale in the ER couldn't take my weight. The lovely nurse, who confided that she, too, was a diabetic, smiled at me and told me not to worry -- that I could use the scale in the Dialysis Unit to get weighed in.\That one goes up to 800 pounds