As I have elsewhere pointed out (Studies in the Psychology of Sex, Vol. VI, "Sex in Relation to Society," chap. ix), most modern authorities—Friedländer, Dill, Donaldson, etc.—consider that there was no real moral decline in the later Roman Empire; we must not accept the pictures presented by satirists, pagan or Christian, as of general application.

I have discussed this phase of early Christianity in the sixth volume of Studies in the Psychology of Sex, "Sex in Relation to Society," chap. V.

Ulrich von Lichtenstein, in the thirteenth century, is the typical example of this chivalrous erotomania. His account of his own adventures has been questioned, but Reinhold Becker (Wahrheit und Dichtung in Ulrich von Lichtenstein's Frauendienst, 1888) considers that, though much exaggerated, it is in substance true.