One day, the woodpecker was treating the big tree. When the woodpecker pecked at the insects, it pecked open the bark of the big tree, and small holes appeared on the big tree. When the big tree saw it, he raised his eyebrows angrily and said, "Woodpecker, are you a doctor? You pecked me so many holes that I'm not even handsome anymore!" The woodpecker said, "Aren't you sick? I treat every big tree like this." The big tree said, "What do you mean? Are you treating me? You are clearly hurting me!" The woodpecker and the big tree started to quarrel. The big tree said angrily: "Don't come and live on me anymore." The woodpecker kicked his feet and said, "If you can't live there, you won't live there." After saying that, he flapped his wings and flew away. A week later, the tree became very painful, and its beautiful hair fell out in handfuls. Father Sun said sincerely: "Now you know that the big tree didn't harm you, right? Friends should help each other." When the tree heard this, he lowered his head...