Being fat means that happiness is expanding, while being thin means that sadness is escaping.

These two sentences are descriptive, whether fat or thin, they are all said in a humorous tone, which is both cute and gives people a sense of relief. There is no anxiety caused by being fat or thin, and they are all handled well.

In fact, no matter how fat, as long as you are healthy, everything will be fine. It doesn't matter what others think or say.