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What are the essential and psychological differences between the three major emotions of fear, humor and black humor?

Fear: What you desire in your heart is not available, but develops in a negative direction (essence)

Humor: What you desire in your heart is guaranteed to be obtained, which is used to accelerate development in a positive direction. (Essence)

Black humor: You have struggled for a long time to get what you want in your heart, but you have never gotten it. (Essence)

Psychological differences: They are neurosis, arrogance, and obsessive-compulsive characteristics.