Before the College Entrance Examination, I Sent a Text Message 20 Years Later

Every time you contact yourself 20 years ago across time and space, time and space will change. He was a terminal lung cancer patient and was dying soon; He was once a delivery boy wearing a yellow vest; He had been a prisoner looking up at the high walls; He was also a happy and carefree charterer; He was the owner of a self-employed software company; He was once a giant on the rich list. … When the full moon was in the sky, it was another chance for him to choose. Time and space are constantly changing, where is the end? Is there such a thing as a perfect life? Looking back suddenly, are the original intentions still there?