Where is the early stage of the marriage alliance?

On their wedding night, her husband went to the side chambers' courtyard. The news that Ling Xi, the Chu princess who came to marry into the royal family, was not well received by the heir of the Prince Rui's mansion quickly spread throughout the entire city of Jinling.
Whether she was welcomed or not, Ling Xi didn't care at all. In any case, her brother had told her that the only thing she needed to do when she came to Daliang for a political marriage was to protect herself.
Therefore, she not only refrained from jealousy, but also did her utmost to protect her husband's love with his concubine, with the aim of preventing a future breakdown in relations between the two countries so that Xiao Ce would let her leave...