“…Rüdiger Schnell demonstrates how this dynamic is reflected in high to late medieval marriage sermons; for example, in the influential collection of sermons of Peregrinus, a Dominican friar of the late thirteenth century, one finds the following instruction to husbands regarding wives: "'You must love her in such a way that everything is as good for her as it is for you, in clothing, food, drink, and comforts." 13 Yet the vagueness of marital affection persisted; Michael M. Sheehan notes that Pope Innocent III (1199-1216), like his predecessors, made "no attempt . .…”