In novels, childhood sweethearts referred to two people who grew up together, understood each other, and were attracted to each other. However, in the beginning, it was usually the woman who took the initiative to pursue the man, while the man was not willing to accept the woman's pursuit. This kind of plot often appeared in romance novels or youth novels to describe the emotional experience of two people growing up. Sometimes, a man would not be willing to accept a woman's pursuit at first, but as the two of them spent more time together, the man would eventually accept the woman and be with her. Sometimes, a woman would take the initiative to pursue a man at first, but in the end, the man would pursue the woman instead and the two would end up together. The plot of childhood sweethearts usually involved the friendship and love between two people, describing their mutual understanding and support, as well as the difficulties and challenges in the process of growing up. This kind of plot could also help the reader feel the difficulty of growing up and maturing, as well as the sincere emotions in the process of growing up.