What is jealousy?
Is it sorrow or pain?
Anger or agony?
Could it be a broken heart,
A lost soul, a wounded personality?
Does it effect only the jealous one?
Will his jealousy get in the way
Or
Stand in the background of his love?
Jealousy and love,
Love and war,
Jealousy of love only brings war.

Mary Sher

http://www.poemhunter.com/poem/jealousy-118/