We should eat fully 5 group. And each group should be diverse in sufficient quantities to the needs of the body and assembly activities.You Should eat at least 3 meals,because the cessation meal any meal may be lack of energy and nutrients. You shoud eat each meal.Shoud have nutritional high. Such as milk and fruit will help provide more nutrients the body, You don't coffee, tea, Drinking any type of sweet water and snacks may make fat and certain nutritional deficiencies. Because these foods provide energy. But for other nutrients very little.