Visiting the sick is supposed to exhibit such great virtue that there are some people determined to do it whether the sick like it or not. ... All visitors everywhere are supposed to make plans to depart if they observe their hosts visibly wilting or in pain, but this is especially true at hospitals.
Judith Martin (1996). “Miss Manners Rescues Civilization: From Sexual Harassment, Frivolous Lawsuits, Dissing, and Other Lapses in Civility”, Crown