Dear Holly, I have never been particularly thin, but recently I was told by my doctor that I'm clinically obese and I am beginning to think I should try to lose some weight. The problem is I'd much rather sit in an armchair and scoff enough Domino's pizza to feed a family of five than subject myself to the humiliation and trauma of exercise. I can't afford to have a gastric band, so my only option is to diet. I've tried a number of different diets so far, with varying degrees of success. I did manage to 'drop a dress size' through eating nothing but Kellogg’s Special K for a month, but I ended up shitting blood and the whites of my eyes went orange, so eventually I had to stop and the weight quickly piled back on. Do you have any suggestions? Harriet Plymouth

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