I'm 13, 4 ft 10, 9 stones. In the October half term holiday i started being 9 stones. Before I used to be 6 stones. In November I started playing zumba on the ps3, but I ate more. I then started eating smaller portions, eating healthy, exercising. But still ate more. Plus I'm going abroad in don't want to puke or starve! I want to lose weight quick! Without patents suspecting me dieting! I hate ...