Love that came too late

He, steady and introverted; she, lively and cheerful. In the first class at university, she sat beside him. In her eyes, he was handsome and elegant; in his eyes, she was beautiful and lovely, especially her black shoulder-length hair, which made him feel refreshed and delighted. Neither of them paid attention to the lecture, instead they kept stealing glances at each other's face until their eyes met for a moment, and the two hearts under the calm appearance beat wildly......