After a heated argument on some trivial matter Nancy [Astor] . . .
shouted, "If I were your wife I would put poison in your coffee!"
Whereupon Winston with equal heat and sincerity answered, "And if I
were your husband I would drink it."
-- Sir Winston Churchill (1874-1965)
-- Consuelo Vanderbilt Balsan Glitter and Gold (1952) ch. 7