They all thought each other was the best partner.
Communicate under surveillance and exchange information in the He family's chess game. One provides the key to the interior, and the other provides access to the exterior.
Until He Xu was kicked out of the house and Cijing gave up aerospace for him.
They spent seven years maintaining a silent companionship between the rental house and the laboratory.
But the best distance in the world is also the cruelest distance. Not close, not far, not told, never forgotten.
His fingers memorized that person's fingering on the strings for him.
He placed the diary seven centimeters away from his heart without saying goodbye.
Intention: Knowing that some distances are insurmountable, yet allowing one to stop at the distance and not move forward.