Prevention and Cure--Prophylaxis of Jealousy--Fitting Remedy to Circumstances--The Neglectful and Flirtatious Husband--No Question of Love--Advice to the Wife of the Flirtatious Man--An Efficient Though Vulgar Remedy--Jealousy Must Be Experienced to Be Understood--Necessity for Freedom of Association--Lines of Conduct for the Wife--Contempt for a Certain Type of Wife and Husband--The Abandoned Lover--The Effects of Unrequited Love--Sublimated Sexual Desire-- Replacing Unrequited Love--The Attitude of Goethe-- Simultaneous Loves Possible--Successive Loves Possible-- Eternal Loves--When Sex Relationships May Be Beneficial-- Purchasable Sex Relations and Their Value--The Broken Engagement--The Terrible Effects on the Young Man--The Young Streetwalker--Sex Relations with Fiance--Inundating Sense of Shame--Collapse--Attempts at Suicide--An Active Sex Life--The Results--The Prevention of Jealousy. LIII. CONCLUDING WORDS 409 WOMAN: HER SEX AND LOVE LIFE CHAPTER ONE THE PARAMOUNT NEED OF SEX KNOWLEDGE FOR GIRLS AND WOMEN Why Sex Knowledge is of Paramount Importance to Girls and Women--Reasons Why a Misstep in a Girl Has More Serious Consequences than a Misstep in a Boy--The Place Love Occupies in Woman's Life--Woman's Physical Disabilities. All are agreed--I mean all who are capable of thinking and have given the subject some thought--that for the welfare of the race and for his own physical and mental welfare it is important that the boy be given some sex instruction. All are not agreed as to the character of the instruction, its extent, the age at which it should be begun and as to who the teacher should be--the father, the family physician, the school teacher or a specially prepared book--but as to the necessity of sex knowledge for the boy there is now substantial agreement--among the conservatives as well as among the radicals.