The sickly son died young? After the marriage exchange, I will bring prosperity to his entire clan f

In her past life, she married a rough man from the same village. With no in-laws to serve, she took charge of the household from the moment she entered, leading an enviable life. The rough man eventually achieved great merit, becoming a general. The couple lived harmoniously, with two children, and even her younger siblings were all successful. Her cousin, Fu Nu, married a sickly scholar. On their wedding night, her mother-in-law forced them to sleep in separate rooms. The scholar passed the imperial examination and died young. Fu Nu hadn't brought good fortune to her husband's family, who forbade her to remarry. She lived a life of widowhood, constantly arguing with her in-laws, and finally died resentfully. Reborn, her cousin insisted on a marriage exchange, and she went along with it. In her past life, the rough man became a general thanks to her constant strategic planning. Upon entering the household, she took charge, acting as the eldest sister-in-law, treating her like a mother. She endured the humiliation and abuse from her in-laws, swallowing her pride and working tirelessly to secure their futures. Even her two children were not her own, but rather the offspring of her husband and another man. Behind the glamorous facade lay a sordid reality. In this life, if her cousin wants a glamorous and happy life, she must manage the mess herself, using her good fortune to improve her family. Marrying a scholar, she initially thought her in-laws would be difficult, but they were all kind-hearted and doted on her. Even the sickly scholar didn't die young but rose through the ranks, eventually winning an imperial title for her. Her cousin, unhappy with her life with the rough man, desperately wanted to switch back...