Human beings, for all their pretensions, have a remarkable propensity for lending themselves to classification somewhere within neatly labeled categories. Even the outrageous exceptions may be classified as outrageous exceptions! – W.J. Reichmann
History is particularly important in throwing light on the source of our attitudes about sex because many of the assumptions we make are not necessarily scientific or rational but holdovers of past belief systems that are no longer held by modern society. – Vern Bullough