<p>See Jessie Bernard, The Sex Game (Englewood Cliffs, N. 3.2 Prentice-Hall, 1968), chap. 10, for a summary of some examples. See also Jessie Bernard, The Future of Marriage (New York: Macmillan, 1971), chap. 1 for a discussion of »discrepant replies.« There is usually agreement on the number or children and similar facts. But not «n, say, frequency of intercourse, where conceptions or collecave representations play an important part in actual perceptions.