When Gu Nuo was reading the book, he was holding the poison that killed the emperor's husband, and he was still worried about throwing the bowl to save his life. She also learned that she had three "bear sons", all of whom were worried and wanted to harm her. Gu Nuo acted domineeringly and taught his sons a lesson, eventually making them filial and turning the emperor's husband into a clingy man.
It's not bad, it's cliché but quite sweet.