When she was a child, she saw her best friend steal the money she kept in her pencil box, and she broke up with him ever since.
Later, she saw her father beating her mother until she was trembling and huddled in a corner. From then on, father and daughter broke up.
After marriage, she saw her husband and a beautiful woman being involved with each other as if no one was around, and they divorced and had no contact with each other ever since.
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Concept: You think you know everything, but in fact you know nothing