She was often asked when she fell in love with Shen Changhe. Maybe it was that bright afternoon when he seriously told her physics questions that were like heaven's book to her; maybe it was when he came back to the classroom after physical education class and was sweating but still fanning her with the hard board used for the exam; maybe it was in the canteen in the freshman year of high school when she impulsively rubbed his head, but he just smiled and looked at it without a trace of displeasure on his face...
