Breasts are a conspicuous physical difference between men and women, and as such have an association with sexuality. Attitudes toward their public exposure vary with time and place. In the United States, they almost define the borderline of what is permissible; in general, exposure of a woman's nipples is taboo (and illegal) except in the context of breastfeeding. | Breasts are a conspicuous physical difference between men and women, and as such have an association with sexuality. Attitudes toward their public exposure vary with time and place. In the United States, they almost define the borderline of what is permissible; in general, exposure of a woman's nipples is taboo (and illegal) except in the context of breastfeeding. |