The best age at which to marry--Incompatibility of temperament--A happy marriage need not be a successful one--The evils of early marriage--The wedding night, its medical aspect--The honeymoon--When marital relations are painful--Times when marital relations should be suspended--The first weeks and months of wifehood--The formative period--A true marriage--A wife's true position in the household--Only 5% of happy marriages--Period of adaptation--Differences of opinion--Differences of principle--The attainment of success--Arguing trifles--You must know what you want--The right kind of wife--Contributing to her husband's efficiency--What are the requisites of efficiency--Good health--Thoroughly cooked meals--Rest at night--Having a system--Enough exercise--Freedom from worry--Do your part--The first quarrel--Fault finding--The husband's efficiency depends upon the wife--Work must be.