He and she were in the first life as humans and flowers, staying together for hundreds of years.
In his and her second life, they were humans and immortals, entangled for life.
In his and her third life, they both flew into the sky, holding hands and looking at each other with tears in their eyes.
They had gone through three lifetimes of love tribulations and were finally together. But outside of them, there was one person who shed tears and was alone forever.