"If you feel that life is very depressing, then watch movies with your eyes closed and listen to music with your ears covered." It means: If you feel depressed and sad, it is better to choose not to watch or listen.
Unhappiness is inevitable in life. The more you struggle with it, the more miserable you will be. Let me tell you about my experience:
My mother is a person who likes to nag, no matter how big the issue is, she will nag her several times. As a junior, I couldn't say anything, so I could only listen quietly. But as time changes, I will gradually lose patience.
Later I told the teacher about this situation, and the teacher said something like this: "If you can patiently listen to your mother and consider the problem from her perspective, you won't feel It’s depressing. But if you really can’t bear it, you can choose not to see it, or you can choose not to hear it.” The teacher’s words gave me great encouragement. Because I know that my mother’s personality cannot be changed, so changing myself is the best way.
So, when we encounter something unsatisfactory, you might as well choose to close your eyes and not see it, or you can consider stopping your ears from listening. But you must absorb good opinions instead of blindly doing them, which will be beneficial to your own growth.