bragging
The Best Article Ever Written About Bragging
After feeling belittled, I journey into the heart of bragging and discover 17 modes of showing off.
Why are we so uncharitable to those doing good deeds?

From veganism to fundraising, psychologists have found acts of altruism often attract mistrust and even anger
https://psychlens.com/psychology-of-bragging/
7 Ways Narcissists Manipulate Relationships

How narcissists use "narcissistic supply" to exploit relationships.