The right to have children when wanted--A matter of choice--Difference between infanticide, abortion and prevention of pregnancy--How husband and wife can tell when there is no danger of impregnation--A rule of coitus which should never be violated--What information about pregnancy may be gained from menstrual period--Most women have two weeks of "free time" each month--Freedom from fear an accomplishment which adds to happiness of marriage. THE ART OF LOVE Must be learned and mastered because partners in marriage often not matched physically or psychically--Ordinary cases of physical mismatching--Difference in size of sex organs may produce unfortunate results--How to discover physical mismatching--How to correct it--Instructions for overcoming physical mismatching. Psychical mismatching--Differences between men and women cause for great dissatisfaction if not known and corrected--Instructions for correcting psychical mismatching if husband is at fault; if wife is at fault--Extending time of first part of coitus--Inducing pre-coital flow in woman--Essential that first part of coitus be continued until woman is ready for second part--Necessity for husband to know ways to extend time of third part of coitus--"Keeping the cap on"--What wife can do to correct physical and psychical mismatching. Sex stimulation is right and wholesome--Instructions if normal sex relations are impossible--Special information on sex stimulation for brides and grooms--Valuable addition to sex knowledge. COITUS RESERVATUS A mental and spiritual love embrace--Fulfillment of courting--Specially valuable during time when woman is not "free"--Value of sexual stimulation if not carried to excess. Frequency of coitus--Men who wear themselves out--Women who wear out their husbands--Mismatching in sexual temperament and desire--How to correct it--Women who are anesthetic to sexual desire, and how to overcome it--Impotence in men. How late in life can coitus be practiced with benefit to health--Danger of withholding sex functioning--Sex organs able to function until late in life--Sexual desires in women after "change in life"--Proof that Art of Love must be learned and that it can bring lifelong happiness. CLEANLINESS Need for keeping body clean, sexual reaction--Parts of body woman should be specially careful to keep clean--Portion of body man should be specially careful to clean--Effect of mouth and armpit odors. PREGNANCY Complete home with children supreme attainment of life--Begetting children should be deliberate choice by parents--Proper time for begetting children--Danger of waiting too long to have children--When first child should be born--At what age of parents should children be born. Is coitus wise during pregnancy--How the Art of Love provides for this time--Passions of women during period of pregnancy--Criminal for husband to compel coitus upon wife unless desired by her. CONCLUSION