“It is clear that the crusade imposed on its participants extraordinary stresses. In an alien environment they experienced not only the perils of warfare, but also inflation, poverty, starvation, disease and death. They were often frightened and homesick. The knights among them were humiliated as they lost status without their arms and horses. Most of the leaders had nagging financial worries. It is not hard to understand their obsession with horses and their desire for loot.”