How can I stop myself from crying and be a person who doesn’t cry?

If your heart is too soft, let me tell you a good way to prevent you from crying; when your tears are about to flow out, you quickly think, who hit me? Why should I cry? No one Hit me. Does my stomach hurt? My head hurts? It doesn’t hurt. Oh, why should I cry? It doesn’t hurt anywhere, and no one is bullying me. Why should I cry? Haha, okay, I am laughing. If you Think this way every time, and you won’t shed a single tear within a year.