The Columbine shooters, feeling overlooked, planned their attack to achieve fame. This demonstrates the extreme, violent lengths people will go to when their fundamental need for recognition is denied and positive avenues for achieving it seem blocked.

For some high achievers, the intense drive for success isn't just about wealth or status. It's a deeply personal mission to prove they are fundamentally different from their origins—a 'revenge' for the circumstances of their birth.

Humans experience pleasure, mediated by dopamine, when witnessing someone perceived as a wrongdoer being punished. This suggests retribution is not just a cultural construct but a deeply ingrained, evolutionarily adaptive mechanism to enforce cooperation within a group, making it feel intrinsically rewarding.

When people are unwilling or unable to feel their own emotional pain, they often transform it into actions that cause pain to others. This applies to individuals lashing out and leaders giving their followers someone to hate.

While observing suffering typically activates empathy circuits, the brain's reward system activates if the person is perceived as a wrongdoer. This biological mechanism creates a powerful, lust-like desire to see punishment enacted, which psychologist Kathryn Paige Harden refers to as a "cruelty currency."

Violent acts are not random; they often represent the logical conclusion within a person's specific frame of reference. If an ideology convinces someone they are fighting a Hitler-like evil, then assassination becomes a moral duty, not a crime. The danger lies in these justifying belief systems.

This psychological mechanism flips a switch, intensifying love for one's in-group while enabling murderous hatred for an out-group. It recasts political rivals as existential threats, making violence seem not just acceptable, but morally necessary for the group's survival.

When women get angry and cry simultaneously, it reflects an internal conflict. The anger is a desire to impose costs on another person, but the tears signal that they are in a 'lower-leveraged' position and lack the perceived power to do so effectively. It's a blend of aggression and vulnerability.

This concept describes a psychological state where empathy is completely withdrawn from an "out-group." This allows individuals to justify and even celebrate violence against perceived enemies, seeing it not as murder but as a necessary and righteous act in service of their in-group.