Be sure to have a full meal every morning, and eat well at noon. Chicken, duck and fish can be eaten at will. But dinner: First of all, it's best to eat some pasta (bread, steamed bread, noodles, etc. ); Second, it is best to eat some chicken, duck and fish; Third, just eat well, and don't eat too much (because the first two items are conditions for gaining meat after meals, but eating too much may lead to excessive intake, which may lead to fat (fat) and short gluten (lean)).