The reason why adults don't get fat is that they eat a lot, but their metabolism is particularly good, and her food will be consumed quickly. It is normal for children to eat dry food without getting fat. If a child suddenly begins to gain weight one day, it means that his height has stopped growing.
Children need a lot of nutrition when they grow up, so they will eat a lot. The metabolism and exercise of organs are very large, and they all need energy. ?