Not being able to listen to others' opinions, he has developed an arrogant and self-righteous personality. As a result of overestimating one's own abilities, one cannot

　　As a result of overestimating one's own abilities and failing to objectively evaluate the roles of colleagues and leaders, one gradually develops a personality of "uniqueness", deviates from the collective and society, and develops a serious selfish and self-interested behavior.

　　Secondly, jealousy will follow.

　　They can't stand to see others surpassing them, get angry when they see others doing well, lose control of their emotions, don't know how to respect others, don't know how to understand others, and may even malign others.

　　Third, it will make it difficult to distinguish between good and evil, continue to make mistakes, and even lose their minds, unable to extricate themselves, triggering the occurrence of extreme behavior.

　　Fourthly, it will lead to the rigidity of family relations and disharmony between husband and wife, causing frequent quarrels and arguments, and even triggering domestic violence and leading to the breakup of marriages.

　　Fifth, it is a serious impact on physical and mental health, people who have a love of performance psychology, the heart will always be in a high state of stress, the brain is always not rest, sleep will be impaired, the function of the digestive system will also be reduced, prone to cardiovascular disease, and even cause mental illness.

　　Psychological warning:

　　Get along with others, to objectively view others, correctly view themselves, not too sharp. To understand that "there are people outside, outside the sky" reasoning, know that modesty makes progress, pride makes people fall behind, and can even go to extremes.