Norm Peterson Norm Peterson Hilary Norman Peterson is a character on the American television show "Cheers", portrayed by George Wendt. He is named Hilary after his grandfather. Norm appeared in all 275 episodes of "Cheers" between 1982–1993 and was initially the only customer featured in the main cast, later joined by Cliff Clavin, Frasier Crane, and Lilith Sternin. Along with Sam Malone and Carla Tortelli, Norm is one of only three characters to appear in every episode of "Cheers". He also made one guest appearance each in the three other sitcoms set in the "Cheers" universe: the "Frasier" episode "Cheerful Goodbyes," the
Norm of reciprocity Norm of reciprocity The norm of reciprocity requires that we repay in kind what another has done for us. It can be understood as the expectation that people will respond favorably to each other by returning benefits for benefits, and responding with either indifference or hostility to harms. The social norm of reciprocity often takes different forms in different areas of social life, or in different societies. All of them, however, are distinct from related ideas such as gratitude, the Golden Rule, or mutual goodwill. See reciprocity (social and political philosophy) for an analysis of the concepts involved. The norm