William Shakespeare's famous play, "Othello," is a story that is wrought with jealousy. Othello's best friend, Iago, manipulates Othello so successfully that the title character believes his wife has been unfaithful.
In his treachery, Iago describes jealousy as a "green-eyed monster which doth mock.." Chaucer and Ovid also use the phrase "green with envy."
Some believe the color green has been associated with jealousy dating back to the ancient Greeks. They believed jealousy occurred as result of the overproduction of bile, which turned human skin slightly green.
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