Why Was She Crying After the Saintess Regretted Her Marriage at the Beginning?

[No system + multiple heroines] Traveling through the world of immortality, Lin Fengmian became a Taoist priestess, and others with five spiritual roots were numb. Fortunately, with the Pure Yang Holy Body, you can become stronger by cultivating with others! When the Saint abandoned him, he backhandedly bound her nemesis. Why did the saint start crying and begging for forgiveness after learning the truth?