short story about my life

sometimes, when I reflect at night, in my mind, why is my life like this, very heavy, and sank like living alone among the millions of people who live in this world, feeling lonely, alone, to ponder is my daily activities day, want to feel angry at my situation now, but what is the meaning of a man like me, and even at this point I do not know what I should do it again, maybe nothing's wrong I'm just stupid people