Men who teach on the topic of female modesty generally emphasize proper coverage of the bustline. Their reasoning is that male observers who wish to maintain a high standard of morality are undesirably stimulated by women in public who wear clothing that exposes this area. This is no news, really, since modern fashion exploits cleavage for its sex appeal and sales power. Some surveys have even suggested that men view women with naturally smaller breasts, regardless of what the women are wearing, to be smarter, more moral and more modest than those naturally gifted with a larger shape! Data like that suggests to me that society needs re-education about the realistic shape of a woman.