Lose weight Imagine a diet where you can eat three meals a day and lose weight! With 'food-combining', you can eat what you like, but there are some things you can't eat together. 1 The fruit rule Don't eat fruit with other food. 2 The protein and 5 "Food-combining' is based on the way we digest food. The human body digests different food in different ways. Fruit only takes half an hour to digest, but carbohydrates take three to four hours, and proteins take up to eight carbohydrate rule Don't eat proteins and carbohydrates at the same meal. 3 The vegetable rule 10 hours. This is why it is important to eat the same kinds of food together. You just need to follow three simple rules. Eat vegetables (or salads) with any kind of protein or carbohydrate. According to the rules in the article, which meal will help you lose weight? a) Steak and chips. b) Fish and rice. c) Fish and vegetables. d) Spaghetti bolognese. e) Fruit salad as a dessert.