In lunatic asylums, in law, and in novels jealousy plays an important part, for it is one of the most fruitful sources of tragedies and human unhappiness. The combined and persevering efforts of education and selection are necessary to gradually eliminate it from the human brain. We often hear it said of man and woman that they are not jealous enough, because they are too indulgent toward the extra-nuptial inclinations of their conjoint. When such indulgence rests on cynical indifference or on pecuniary interests, it is not the want of jealousy but the want of moral sense which is to blame. If it arises from real and reasoned love, it should on the contrary be highly respected and praised. I would wish all heroes of offended honor and all defenders of jealousy to reflect on the following case: A man of high position, and the father of five children, lived in the most happy union. One day he made the acquaintance of a friend of his wife, a very intelligent and well-educated lady. Frequent visits and long conversations led to intimacy which developed into violent reciprocal love. However, the lady refused to abandon herself entirely. The husband confessed everything to his wife, even to the smallest details, and the lady did the same. Instead of becoming jealous, the wife had the good sense and the courage to treat the two lovers not only with indulgence, but a true and profound affection. The loyalty of each of the parties interested greatly facilitated the gradual _dénouement_ of a difficult situation, without the family affections suffering. But the _dénouement_ would have been quite as peaceful if the lady had yielded to sexual connection with the husband. In fact, the wife herself considered this question very seriously and calmly, in case the fire could not be otherwise extinguished. I ask in all sincerity, if such mild and humane treatment of an unfortunate love affair, in which the three interested parties each strove to avoid all scandal and everything which could damage their mutual reputation, I ask if this good and loyal treatment is not, from the moral standpoint, far superior to scenes of jealousy, duels, divorces and all their consequences, things which are all sanctioned and even sanctified by custom? I also know many cases where the husbands of women who have fallen in love with other men have conducted themselves in an equally noble and reasonable manner, even when their wives had been completely unfaithful, and the results have always been good. It is needless to say that I do not wish to maintain that a husband should tolerate indefinitely the bad conduct of his wife, nor a woman that of her husband; but this is another thing.