A certain excess of animal spirits with thoughtless good-humor will often make more enemies than the most deliberate spite and ill-nature, which is on its guard, and strikes with caution and safety.
William HazlittBy retaliating our sufferings on the heads of those we love, we get rid of a present uneasiness and incur lasting remorse. With the accomplishment of our revenge our fondness returns; so that we feel the injury we have done them, even more than they do.
William Hazlitt