Ever since I was a child, my mouth has caused me trouble. I’m not a bad person; I have just had a hard time learning when to keep my mouth closed. My mom has told me again and again, “Robert, your constant bad words are hurting me. If you continue to be this rude, you will get into big trouble.” It’s been a problem at school several times, too, when teachers have told me something I didn’t want to hear. I used to feel it was my duty to stand up for myself and tell them off. One day in English class I began working on my homework until I heard a classmate talking behind me. It was Nathaniel, talking to himself as usual. I said ever so nicely, “Nathaniel, would you be quiet?” Nathaniel continued talking to himself. I quickly shouted, “Nathaniel, shut up!” For the next five minutes, we threw hurtful words back and forth at each other. “At least I don’t have an ugly lazy eye like you!” I shouted. I knew this would bother him deep inside. It would hurt his feelings and shut him up. What I said filled him with anger. He tried to reach over my seat and grab (抓住) me as he shouted, “That’s it! That’s it!” Surprised at his reaction, I sat back in seat. Never had I seen Nathaniel act like this before. Later on, we were taken to the principal’s (校长) office. There, the principal told us to discuss the matter. It wasn’t until then that I finally found that when I hurt someone physically, the wounds (伤口) eventually heal(痊愈). But when I hurt them with my