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Revenge feels good! Most of us take satisfaction in punishing violators of social norms and may even incur costs to do so. In a Perspective, Knutson takes us on a joy ride through the brain to seek the areas involved in the exacting of revenge. Intriguingly, it is the striatum, a key subcortical brain structure involved in feeling satisfaction, that is activated in human volunteers subjected to PET imaging as they play a game designed to elicit acts of revenge (de Quervain et al.).