It is defined as the need to provoke, physical or moral pain, humiliation, submission to achieve sexual pleasure, which in other normal circumstances not. The exact figures on the frequency or number of people who exhibit these behaviors among a population of “ supposedly ” normal citizens are not known. As it has a great literary tradition, it owes its name to the Marquis de Sade, a philosopher and French writer who lived in the 18th century and spent much of his life in prison, who during his stay for her for twenty-seven years, dedicated himself to writing related books with the subject, like the book called The crimes of the love among others, where sexual relations loaded with violence are described.
The reality is that it is a way of life that is currently very active, and in constant use, the sections as they are called go from mild, real or imaginative and the least expected person practices since they do not show any relevant symptoms, the Kinsey report, published in two books, on the sexual behavior of men and women, shows in scientific studies that the finding of behavior is 10% of men and 3% of women; they got turned on by some sadistic fantasies. Even so, this behavior does not show a doubtful disorder.
This being the case, people who suffer from it do not confess that they enjoy doing it; especially with partners who cooperate willingly, a behavior that occurs in men in most cases, but nowadays many women take the lead in many of the sadism sessions.
Truly sadistic people, in these sessions inflict real pain, injuries that sometimes lead to death, for this reason, spoken or written agreements are reached of what is really allowed or what they are really willing to do so that one of the two achieves the pleasure of the other, here trust is paramount, when the couple is consists of what they are willing to do for an orgasm; It is usually obtained by manipulation or masturbation of the genitals, or by anal intercourse.