"You depend on me for everything, and I depend on my water supply ability and all insurance", which fully shows his "overconfidence and self-esteem".
It is very dangerous to cross the enemy's blockade, and the old man's "every night, on the water tightly blocked by the enemy, like an innocent person, supports the boat according to his leisurely mood of going out early and returning late to fish and cast nets, making up things that make himself happy and others happy" fully shows his "overconfidence and self-esteem". Send two girls to reed pond. The old man thinks there is nothing wrong. Let's have a good sleep. The little girl washed her face and the old man asked her to wash it. When the searchlight of the Japanese steamboat came, he was still "not afraid" and thought that he "could not see us". He is still "not afraid" of the Japanese shooting machine guns and thinks that "he can't hit us". We have to say that he is a little careless, which is overconfident. The big girl was injured and bled. This time, the task was not completed. He felt ashamed and ashamed to see the army. He's too proud.
The old man made a determined effort to get back the blood debt for the big girl. He promised the two girls. He played with the devil in the palm of his hand, lured the devil to take the bait, raised the pole, and severely hit the devil on the head, so that he got back his blood debt and recovered his self-esteem. This heroic act shows that he is always very confident and self-respecting.
The sentence "overconfidence and self-esteem" points out the core of the old hero's character. This sentence means not only very confident and self-esteem, but also too confident and self-esteem. The plot of the full text and all the merits and demerits of the old hero are born from this.