Last weekend, I saw an old friend of mine who has lost over 20 lbs this summer. She looks great! She was full of energy and seemed to have more pep in her step, than her usual good-spirited self. I admit, I was jealous. She says she has been calorie counting, eating real food and using the “My Fitness Pal” app. So, of course, I downloaded it last night. Ever since I accepted a desk job, almost 15 years ago, over my more physical job, where I was constantly walking, I have gained 50 lbs. That is 50 lbs from my wedding weight. I have used every excuse for the…