(noun) A state of suspicious guarding towards a spouse, lover etc., from fears of infidelity.
"Welcome to the wonderful world of jealousy, he thought. For the price of admission, you get a splitting headache, a nearly irresistable urge to commit murder, and an inferiority complex. Yippee."
"Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy - in fact, they are almost incompatible; one emotion hardly leaves room for the other."
"If you find serenity and happiness, some may be jealous. Be happy anyway."
"A little jealousy in a relationship is healthy. It’s always nice to know someone is afraid to lose you."
"When a man is in love, jealous, and just whipped by the Inquisition, he is no longer himself."
"She had loved him for such a long time, she thought. How was it that she did now know him at all?"