He had experienced the darkness of the world when he was young, and she shined into his life like a ray of light.
He is a boxer, a school bully, and an academic bully.
He would not look at her with his glasses off, he was afraid that she would see him with a violent look on his face.
He watched her grow up, from a middle school student to an economics and management professor, and he himself entered one international competition after another.
Concept: Secret love, very grand, but no one knows. She liked him for seven years, until the secret was revealed seven years later, and gradually became a 'secret' that no one knew.