the.com/meanness
a weakness in disguise, always loudest in the people most afraid of being small
brain costCruelty triggers stress hormones in the aggressor too
contagiousWitnessing meanness makes bystanders more likely to act mean
old rootOriginally meant common or shared, not cruel
power tellStudies link everyday rudeness to felt powerlessness
cheap thrillPutting others down briefly spikes the boaster's self-esteem