Arrogance and narcissism are human characteristics.

This kind of person usually has the following characteristics:

1, Overconfidence: Overconfidence in one's own abilities, achievements and values often overestimates one's own abilities and achievements, while ignoring or underestimating the abilities and achievements of others.

2. Self-centeredness: I often only pay attention to my own needs and interests, but ignore the needs and interests of others, lacking the consciousness of caring for and respecting others.

3. Arrogance: Always showing an arrogant attitude, dismissing other people's opinions and suggestions, and even attacking and belittling them.