On an emotional level, it can be very engaging. Readers might feel excited, happy or sad depending on what happens in the story. It can also enhance their creativity as they might start imagining their own versions of high school love stories. But it's important to note that some readers might get too caught up in the fictional world and forget about real - life priorities. So, while it has its positive impacts, there are also things to be cautious about.
It can make them feel nostalgic. If they are past high school, it might remind them of their own teenage experiences. For current high school students, it can give them a sense of validation, like their feelings are normal.