Analysis of information sources in references of the Wikipedia article "Nibu" in Estonian language version.
There are some females who appear to find no erotic satisfaction in having their breasts manipulated; perhaps half of them derive some distinct satisfaction, but not more than a very small percentage ever respond intensely enough to reach orgasm as a result of such stimulation (Chapter 5). [...] Records of females reaching orgasm from breast stimulation alone are rare.
A few women can even experience orgasm from breast stimulation alone.
Nudity cannot be considered an inherent form of expression.
