At dusk, when the sun was dim, I looked at my lonely figure reflected in the glass windows of the roadside shops, and looked at the no longer dazzling sunlight filtering through the glass windows and the unique beauty reflected by the street lights, and I suddenly felt that I was actually very lonely. Walking alone on the street that I once walked with him. Couples holding hands and murmuring on the road, the hurried footsteps of people returning home from get off work, the ringing of bicycles and the sound of car horns intertwined, the pictures in front of me that have been cut out by the brain, the noise in my ears without fixed melody and rhythm, cannot suppress the longing in my heart. The moment I think of him, it seems that the whole world has lost gravity, just like my world has lost its center of gravity after leaving him...