Most people find it hard to keep to a long-term diet, but this one is different. The recipes feature ingredients that trigger the release of the ‘happy hormone’ dopamine in your brain, so it’s a diet that will make you feel good! Thanks to this approach, Tom Kerrdge lost 11 stone in 3 years. His ‘hero ingredients’ for happiness include yoghurt, meat and even chocolate. By ditching alcohol and starchy carbs in favour of plenty of protein, fresh fruit and veg, you will be eating meals that will help you shed the weight, but also taste amazing.