1 Lu Kang and Yang Hu were the generals of Wu and Jin respectively. Yang Hu was an official in Xiangyang, and Lu Kang guarded Jingzhou. Between the two of them, you wanted to unite me, and I wanted to destroy you, but there was no way. It doesn't matter that they are close friends. Lu Kang was ill, and Yang Hu hurriedly sent medicine. Lu Kang's Dongwu generals advised Lu Kang not to take it. Lu Kang replied: "There is no poisonous person like Uncle Yang. Don't doubt me. ". Then he took it. Lu Kang knew that Yang Hu loved drinking, so he gave Yang Hu a gift of fine wine. Chen Yuan, the general of Yang Hu's tribe, advised him not to drink it because he might be deceived. Yang Hu said: "You can resist non-poisonous people, so don't worry." He poured the pot over to drink.
2 Zhou Yu and Sun Ce. Zhou Yu followed Sun Ce for hundreds of miles from Lujiang River in order to make great achievements in his career. From then on, they became brothers and became brothers.
3 Li Shimin and Changsun Wuji. Li Shimin married Changsun Wuji’s sister. Changsun Wuji advised Li Shimin and played an important role in the unification of China by the Li and Tang Dynasties. The two have a very good relationship.