Envy is the green-eyed monster that lurks with in us. Left alone, unchecked, it eats us up away.
In the beginning, the serpent was envious of God, thus the reason for all the pain and suffering. Cain was envious with Abel thus the first murder was committed. Joseph’s brothers were envious of him, so they sold him to slavery in Egypt.
Classical Greek mythology is laden with jealousy as the theme, which often leads to tragic endings.
So how can you tame the green-eyed monster? Take a look at this article. It’s a good read.