Their error often depends upon the fact that they have been told by other young men that normal sexual potency enables a man to have repeated intercourse at intervals of a few minutes. As regards the informants, it may be that, having had such exceptional potency on one or two occasions, they really believe it to be a normal requisite of full manhood; more often, however, the mistake originates from a young man taking at its face value the boasting of one of his comrades who has lied freely about his own "virile potency." I have known similar things happen in the case of women, among whom boasting about the intensity of the voluptuous sensations experienced during sexual intercourse is by no means uncommon. There are a great many women in whom voluptuous sensations during intercourse are entirely lacking, and in whom even sexual desire may be in abeyance. Sometimes this is a matter of no great importance. But wives whose women-friends have boasted to such an extent of the intensity of the voluptuous sensations experienced in sexual intercourse, are apt to overestimate the importance of the lack of such voluptuous pleasure in their own experience of the sexual act; and it is therefore desirable that women should know the true facts of the case. We have further to remember that many of the disillusionments of marriage depend upon the fact that before marriage girls have allowed their imaginations to run riot concerning the intensity of enjoyment they will experience in sexual intercourse; all the greater is their disillusionment if they are among those who fail, after all, to experience sexual pleasure to the full.