"The great renunciation of old age as it prepared for death, wraps itself up in its chrysalis, which may be observed at the end of lives that are at all prolonged, even in old lovers who have lived for one another, in old friends bound by the closest ties of mutual sympathy, who, after a certain year, cease to make the necessary journey or even to cross the street to see one another, cease to correspond, and know that they will communicate no more in this world."

Source: Marcel Proust (2000). “In Search of Lost Time, Volume I: Swann's Way (A Modern Library E-Book)”, p.212, Modern Library