Dimorphism exists, according to Musonius, simply to create difference, and difference in turn creates the desire for a complementary relationship, that is, a couple who will bond for life for the sake of each other and for their children. The argument, then, is not that sexual freedom is a human good, but that men as well as women should exercise sexual restraint. He also stresses that beautiful though the boy is, he is not as beautiful as his master — he must cede that glory to his superior. This elite discourse, while often deliberately critical of common or typical behaviors, at the same time cannot be assumed to exclude values broadly held within the society. The issue of age raises further uncomfortable questions about the exploitation of the young and also about the possibility of a lasting romantic relationship — they were evidently not envisaged as continuing for more than a few years. To satisfy modern sensibilities including my own while trying to remain true in some fashion to the historical context, I have first of all, assumed that what attitudes the elite writers depict as normative were just that — guides to how the respectable person should behave in public and not neccesarily how people did behave, think or feel. The onset of physical maturity generates semen, and wet dreams occur as the sexual instinct develops. In Roman law, raptus or raptio meant primarily kidnapping or abduction;  the mythological "rape" of the Sabine women is a form of bride abduction in which sexual violation is a secondary issue. Votive offerings vota ; compare ex-voto in the form of breasts and penises have been found at healing sanctuaries. The only justification for sex is reproduction within marriage. Raptio The English word "rape" derives ultimately from the Latin verb rapio, rapere, raptus, "to snatch, carry away, abduct" the words rapt, rapture, and raptor still have the same meaning. Penetrating another male Roman citizen was also perceived as a socially undesirable act, similar to adultery. Ovid calls the book a collection of misdeeds crimina , and says the narrative was laced with dirty jokes. In the 2nd century BC, Cato preferred not to bathe in the presence of his son, and Plutarch implies that for Romans of these earlier times it was considered shameful for mature men to expose their bodies to younger males. The "abduction" of an unmarried girl from her father's household in some circumstances was a matter of the couple eloping without her father's permission to marry.