A person, a city, where did the heartache come from?

It's not the Xinlei article, it's When I think of you, I feel happy, so happy that I feel sad. He couldn't withstand Years Flow Like Water and couldn't escape from this youth. It turned out that forever was just a misunderstanding. She quarreled with the person she loved and spoke her heart out to a stranger. Listening to sad songs and watching happy plays. If life is just like when we first met. You're just relying on me to like you. I've always had a shallow relationship with you, but why do you love me so much? In those years, who promised who the end of time. I don't care if you don't care about me. I believe that this world will always be beautiful. I'm used to feeling uncomfortable, I'm used to missing you, I'm used to waiting for you, but I've never been used to not seeing you. Like flowers and beautiful family, like water flowing years. He could go back to the past, but he could not go back to the past. Those things that would eventually make you fall into them were always beautiful at the beginning. When you do something right, no one will remember. When you do something wrong, even breathing is wrong. Love is so short, forgetting is so long. Waiting was the beginning of one's life. Some things could last forever once they were turned around. When we were young, we gave up, thinking that it was just a relationship. Later, we realized that it was actually a lifetime. I'm still waiting for you, but you've already forgotten that you've been here. There is nothing more sorrowful than the heart not dying. I'm fine. I don't want to make a fuss or show off. I don't want to be wronged or ridiculed. I don't need others to know. I'm a passerby that you forget after turning around. Why should I accompany you to the end of the world? As long as a person no longer wanted anything, he could let go of anything. Whose loneliness is it, covering my gorgeous clothes? Whose gorgeous dress is it that covers my shoulders? He prayed that the heavens and earth would let go of a pair of lovers, and that what he feared would never happen again. The highest state of love is to withstand the dull fleeting years. The fairy tale had ended, and forgetting was bliss. They didn't know each other at first, but they didn't recognize each other in the end. If you don't answer when you're alive, you can't get up when you're dead. Happiness was to find a warm person to spend the rest of your life with. There was nothing that couldn't be done, it was just that they couldn't go back. How strong must one be to dare to not forget? Looking at other people's stories, she shed her own tears. I like who I am now, and I miss the past. After you leave, don't say that you wish me happiness. What qualifications do you have to wish me happiness? The weak that was not understood could only remain strong. Don't rely on others. You can only say that when you still have someone you can rely on. Perhaps the price of going too far was loneliness. I'm reminiscing, but you don't. It was an emotional scene. I have no acting skills. A person, a city, a lifetime of heartache. I'm nostalgic because I can't see you and the future. Please don't pretend to be nice to me. I'm very stupid and will take it seriously. Don't take advantage of my kindness to do bad things to me. Don't lie to me, you know I'll believe even your lies. If you want to leave, please don't ever come back. Who wrote it? In what book?