It's not a separation between two people, it's a lifelong entanglement.
"I promise you a picturesque landscape. Are you willing to live up to your wish in this life?"
"No, your thousands of miles of mountains and rivers are not as good as the rooster's crowing and the blooming of flowers. I wish to live up to my expectations in this life, and I don't want to let my mountains and rivers imprison me in this life."
Then don't let the country go. There is no shortage of people to look at the country, so I can just look at you.
Thousands of sails have passed, and this person is with me.
This is their destination in this life.
He is still her brother Chen, and she is still his sister Xier. Only the setting sun still tells the story of their love.