One Man’s Meat Was Another’s Poison

"They're the extremely stubborn type that is impervious to advice. Before Wang Yang makes her suffer, it will be a waste of my breath to persuade her. When she suffers a setback due to Wang Yang, I may not even be able to make her understand. A person will not learn how to walk properly without first having a fall. Your sister was too sheltered by your mom and me. It's time to let her learn a lesson. It may not be a good thing if one's life is too smooth-sailing."