Once upon a time, King Chu Ling liked people with thin waists. Because of him, the civilian generals in the DPRK dared not eat more, and reduced three meals a day to one meal. Get up every day, hold your breath, tighten your belt, and then stand up with your hands against the wall. In this way, in order to please the king of Chu, the ministers in the DPRK forced themselves to do things they didn't like every day. Although everyone didn't talk much on the surface, they always secretly complained: Alas, why does the king like to have a thin waist? It makes us tighten our belts every day and even dare not eat more. Ministers spent a year in such a muddle, but they didn't get to know each other as before, even in poor health. They often have a cold and fever, but they have been complaining in their hearts, but they can't say clearly. The monarch of the neighboring country heard that the ministers of Chu were stupid enough to lose weight and gird their waists, and their eyes shone with excitement, because this was a good opportunity for them to invade Chu. Ministers are in poor health, so it is difficult to direct a good battle. At the beginning of the war, neighboring countries first sent troops to capture the border cities of Chu, which made Chu lose a lot of land. When attacking the strong fortress of the capital of Chu, the neighboring countries switched to lasting tactics, which made the Chu people panic. Later, with the help of Chu's friendly neighbors, they beat back the troops of neighboring countries and calmed the storm. After the war, the king of Chu realized how stupid he was and ordered the whole people to keep fit properly. Ministers also praised the wise decision of the king of Chu. A few years later, Chu gradually prospered and became a powerful country.

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