After the Change of Marriage and Separation, the Wise King Favored Me Alone

After Lu Yuexue died, she was reborn when she got married, and she discovered that she and her concubine were marrying the wrong person. The concubine's concubine died miserably because her husband doted on his concubine and killed his wife in her previous life. However, she became the concubine's wife, so the marriage between the two was changed. But every family has trouble reciting sutras, so how could she know that her husband was really sick in his previous life?