Twenty Years Later, What Happened When I Discovered That My Classmates Were in Xx?

My whole life I have lived very casually, like a fallen leaf living in the wind. I have tried my best but failed to leave any trace in the world. They say that before death, people will recall the most precious things in their lives, but now my mind is filled with him. Obviously, we haven't seen each other for more than ten years. Purpose: Literature of frustration