First, it is best not to meet each other, so that you can not fall in love.
The second is that it is best not to know each other, so that you can not miss each other.
——Tsangyang Gyatso
If you miss it in this life, please don't meet again in the next life...
Short BL, this article is the story of Gong Yu and Mu Yi in "Nuan Nuan Yi Shu Yan".