The Challenge Back then I was 80 kg (175 lbs). Based on BMI, my ideal weight should be 62 kg (136 lbs). With this in mind, I set out to bring myself to my ideal weight. I was determined but I knew that it would be hard. So I used the following approach. Make a bet with a friend, I will reach the weight in one year. If I succeeded, she will give me $100/-, otherwise, I will have to give her a treat. I started telling everyone in the office about my "bet". Shedding the first couple of kgs was relatively easy - by slightly reducing food portion and started going to the gym. Then it happened - my weight plateaued after only 1 month into the bet. Luckily, another friend of mine heard about the bet and sat me down and told me that weight gain an loss can be reduced to a very easy equation: Input - output. If you consume more than you expend, you will lose weight. The same with the reverse. It all boils down to calorie intake and calorie use. To lose 1 kg of weight, it wa...