C107 Seek alliances
In short, from Luo Meng's point of view, it didn't matter whether or not she became the mother of a country. In addition, she had grown up with her cousin, and the two of them had even been engaged since they were young. She didn't intend to abandon her cousin and marry another time.
However, he was not the Crown Prince's consort, so he did not want to sit at a table called "Princess Yun Xin"