Because she had no children, her mother-in-law made things difficult for her, and her sisters-in-law mocked her. She endured all of it herself.,Cheng Ruijin walked step by step in front of Su Qingyu, and said in a gloomy voice: "Sister, he's not incapable, he just can't when facing you.","Besides being the legitimate daughter of a Marquis, what else do you have that surpasses me If it weren't for my family background holding me back, how could I possibly lose to you"。