Zhuge Liang's Tips for Zhao Yun Which tip helped Liu Bei marry his grandson?

Zhuge Liang * * * gave Zhao Yun three tips, that is, to open the first one at the border of Jiangyidong, the second one at the end of the year, and the third one at a critical moment. Therefore, it is the first move to help Liu Bei marry his grandson, because the first move is to marry Liu Bei, so that everyone in Jiangdong knows and believes, thus playing the role of confusing the fake with the real.