Recently, a teacher at a primary school in Changde, Hunan Province discovered that students in fourth and fifth grade were already prone to puppy love. At first, the teacher did not take it seriously, but he did not expect that this trend in the class would become more and more intense. Primary school students are deeply aware of the dangers of early love, which has become a problem for teachers. Finally, a teacher came up with a good idea. She used two rapeseed…