Amorous jealousy is not a monster, as Shakespeare's venomous Iago claims. It is neither prickly and bitter fancy, nor a cruel and mean passion, nor a symptom of feeble self-esteem. All those who have experienced its wounds are well aware that it is not callous, nasty, delusional and ridiculous. It is just painful.

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Amorous jealousy is not a monster, as Shakespeare's venomous Iago claims. It is neither prickly and bitter fancy nor a cruel and mean passion, nor yet a symptom of feeble self-esteem. All those who have experienced its wounds are well aware that it is not callous, nasty, delusional and ridiculous. It is just painful.

Yet for centuries moralists have poured scorn and contempt on a feeling that, in their view, we should fight in every possible way. It is allegedly a disease to be treated, a moral vice to be eradicated, an ugly, pre-modern, illiberal, proprietary emotion to be overcome. Above all, no one should ever admit to being jealous.

So should we silence this embarrassing sentiment? Or should we, like the heroines of Greek tragedy, see it as a fundamental human demand for reciprocity in love? By examining its cultural history from the ancient Greeks to La Rochefoucauld, Hobbes, Kant, Stendhal, Freud, Beauvoir, Sartre and Lacan, this book demonstrates how jealousy, far from being a 'green-eyed' fiend, reveals the intense and apprehensive nature of all erotic love, which is the desire to be desired.

We should never be ashamed to love.