Wife remarried and noticed her husband's abilities were declining, gradually becoming unsatisfactory to her. She confided in Sister about this issue, but Sister believed it was normal, stating such situations happen often. The wife asked Sister for advice on how to resolve the matter. In fact, Sister had several mistresses behind closed doors and suggested she get close to them. Intrigued by these suggestions, the wife eventually met someone with strong capabilities—more surprisingly, he turned out to be an old classmate of hers.。