Why should a little rose raised by my own hands be so advantageous to others?

Everyone in Nancheng knew that Shen Rang had a beautiful and docile fiancée. She had a crooked smile, a soft voice, and a good temper that seemed to be flattened at will. The most important thing is that she loved him for three years and looked up to him. Shen Rang used to think so too, so even though her affair was discovered by her, she still coaxed him nonchalantly: "Don't make trouble, it's very cheap." Until he returned from a business trip...