1. One kind is the manifestation of vanity, such as showing off wealth, spreading dog food, etc., through some packaging, reflecting their own superiority.
2. One is the desire to be recognized, publish their own insights, to achieve their own expression and communication with others.
3. Narcissistic Personality Disorder (NPD), in Chinese society, there are still a lot of people who can't be themselves, especially women, and the elderly (who have experienced the long-term repression of the old society), so there are a lot of people in China who have a narcissistic personality disorder, such as Sister Feng, Sister Furong, etc., as well as those who dance in the square dance of the big moms. The main characteristic: is to disregard the feelings of others, they think it is very beautiful, and must be those vulgar things to get in front of the public show.