Variability is one of the virtues of a woman. It avoids the crude requirement of polygamy. So long as you have one good wife you are sure to have a spiritual harem. – G.K. Chesterton, Alarms and Discursions, “The Glory of Grey”
There is no such thing as perpetual tranquillity of mind while we live here because life itself is but motion, and can never be without desire, nor without fear, no more than without sense. – Thomas Hobbes