Ten years ago, Su Luo wrote this sentence on a postcard, "My slight love for you will eventually turn into a wisp of smoke and slowly drift away in this world."
Ten years later, he returned from the other side and said, "But Luoluo, you have forgotten that energy is conserved in this world."
This story may have no ending, because I only know the beginning, but not the end.
This is my own story. And I want to tell you about it.
May the world be well.