You have expressed your thoughts very beautifully. Of course, to make their mother happy in life, children should take care of her happiness. Because parents also take care of their children's happiness. Your mother gives you an example so that you get rid of the habit of sucking your fingers. When you felt bad, you decided to give up your habit. If they had not scolded you for this and your brother had not made fun of you, then it would have been very difficult to get rid of this habit. be happiness.