CHAPTER V. THE FUNCTION OF CHASTITY. Chastity Essential to the Dignity of Love--The Eighteenth Century Revolt Against the Ideal of Chastity--Unnatural Forms of Chastity--The Psychological Basis of Asceticism--Asceticism and Chastity as Savage Virtues--The Significance of Tahiti--Chastity Among Barbarous Peoples--Chastity Among the Early Christians--Struggles of the Saints with the Flesh--The Romance of Christian Chastity--Its Decay in Mediaeval Times--_Aucassin et Nicolette_ and the New Romance of Chaste Love--The Unchastity of the Northern Barbarians--The Penitentials--Influence of the Renaissance and the Reformation--The Revolt Against Virginity as a Virtue--The Modern Conception of Chastity as a Virtue--The Influences That Favor the Virtue of Chastity--Chastity as a Discipline--The Value of Chastity for the Artist--Potency and Impotence in Popular Estimation--The Correct Definitions of Asceticism and Chastity..