Prof. von Ehrenfels wittily remarks that if it were a moral precept that a man should never have intercourse more them once in his life with any particular woman, this would correspond far better with the nature of the normal male and would cost him far less will-power than is needed by him in order to live up to the conventional demands of monogamy.

And Havelock Ellis cautiously says: "A certain degree of variation is involved in the sexual relationships, as in all other relationships, and unless we are to continue to perpetuate many evils and injustices, that fact has to be faced and recognized."

I have devoted considerable space to this topic, and I have, contrary to my custom, quoted "authorities," because I consider this point of the utmost importance; it is the first step in combating the demon of jealousy. If our wives, fiancées and sweethearts could be convinced of the truth that a man's interest in or even affection towards another member of the female sex does not mean the death of love, or even diminished love, half of the battle would be won. Half of the misery, half of the quarrels, half of the self-torture, half of the disrupted homes, in short, half of the tyrannical reign of the demon of jealousy, would be gone.

We must teach our women and men this truth, teach it from puberty on. We must show them that not every woman can necessarily fill out a man's entire life, that not every woman can necessarily occupy every nook and corner of a man's mind and heart, and that there is nothing humiliating to the woman in such an idea (and vice versa). She should be taught to find nothing shameful, painful or degrading in such a thought. I know that these ideas are somewhat in advance of the times, but if nobody ever brought forward any advanced ideas because they were advanced there would never be any advance.

Then we must teach our men that when they marry a woman she does not become their chattel, their piece of property, which nobody may touch, nobody may look at or smile at. A woman may be a very good, faithful wife and still enjoy the companionship of other men, the pressure of another man's hand or—horribile dictu—even an occasional kiss.

Then we must teach our men and women that there is essentially nothing shameful or humiliating in being displaced by a rival. The change may be a disgrace for the changer and not for the changed one. It does not at all mean that the change has been made because the rival is superior; it is a well-known fact that the rival often is inferior. The change is often made, not because the changer has gone upward, but because he has gone downward, has deteriorated. And the changer often knows it himself.

Inculcating those ideas would do away with the feeling of wounded vanity which is such an important component in the feeling of jealousy.

Further, we must teach our children from the earliest age that jealousy is "not nice," that it is a mean feeling, that it is a sign of weakness, that it is degrading to the person who entertains it, particularly to the person who exhibits it. Ideas inculcated from childhood have a powerful influence, and the various ideas exposed above would have an undoubted influence in minimizing the mephitic, destructive effects of the feeling of jealousy. People properly brought up will always succeed in controlling or suppressing certain non-vital instincts or emotions on which society puts its stamp of disapproval, which it considers "not nice" or disgraceful.

I am, therefore, an optimist in relation to the eventual uprooting of the greater number of components of the anti-social feeling of jealousy. And when woman reaches economic independence, then another component of the instinct of jealousy—the terror at losing a provider and being left in poverty—will disappear.

Jealousy Not Toward Rivals. Jealousy need not express itself toward a sexual rival only. A person may be jealous of people who can never be sexual rivals; the jealousy need not even be of people; it may be of inanimate objects, of a person's work, profession or hobby. Thus a wife may be intensely jealous of her husband's mother, towards whom he is very affectionate or simply kind and considerate. She may be jealous of her own children if she notices or imagines that the father loves them intensely, or if he spends a good deal of time with them. She may be jealous of his male friends, and many a husband had to give up, not only his female acquaintances, but his life-long male friends—in order to preserve peace in the family. A wife may be fiercely jealous of her husband's success and reputation, and cases are not unknown where the wife put every possible obstacle in her husband's way, in order to make him fail in his work, to make him turn out mediocre work, all from fear that his success would gain him admirers, which might perhaps take him away from her. Wives have been known to do everything in their power to exhaust and weaken their husbands, to make them physically unattractive, only to keep them. And so powerful is this primitive, childish, savage feeling, this desire for exclusive monopoly, that there is nothing a jealous wife, sweetheart or mistress may not do in order to retain the man, in order to regain him, or, having lost him irretrievably, in order to revenge herself. And what is said about the woman is applicable with equal force to man. It is a huge mistake to assume that jealousy is woman's prerogative, her particular characteristic, or even that it is stronger in her than in man. A man can be as savagely jealous as any woman and suffer the same tortures of hell.