No, if you lose weight effectively, your weight has been falling. Then you should eat a big meal once in a while. It's called cheating to lose weight. The body will adjust itself. If you eat less and exercise more, your body will think that you are in an environment lacking nutrition. At this time, you will store fat and store every calorie you eat. This is why many people lose weight to a certain extent and never lose their scales again. At this time, it is very important to cheat on food and have a big meal. Move the body into the environment. I feel that you are in a nutritious environment. At this time, in order to reduce obesity, the body will open more calories for muscle consumption. So it's okay to have a meal once in a while.