First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. It may involve sexual attraction to women who are pregnant or appear pregnant, attraction to lactation, or attraction to particular stages of pregnancy such as impregnation or childbirth. Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex performed on the anus , and pegging. The first pegging scene appears to have been in the non-pornographic 1970 film Myra Breckinridge, based on the novel of the same name by Gore Vidal, although it was not explicit. One-sided male nudity can also arise when a male disrobes as part of a male striptease. Com, there are only 655 bisexual titles out of a catalogue lesbian hentai of more than 90,000 films. As of 2010, they were reported to live together as a monogamous couple outside of their porn careers and want to continue working together for another 50 years. POV pornography involves camera angles designed to provide the viewer a view similar to that seen by one of the participants, whose face is never shown. The terms can be complimentary or pejorative. Reality Reality gay cock pornography refers to real or faked amateur encounters. Sometimes, asymmetric and often intentionally uncomfortable positions are employed to heighten the psychological impact of the bondage. In the 1970s, the hardcore pornography mature milfs genre introduced the stereotypical cumshot scene as a central element of the hardcore film, in which the male actor ejaculates in a way ensuring maximum visibility of the act itself. Though the term anal sex most commonly means penile-anal penetration, sources sometimes use the term anal intercourse to refer exclusively to penile-anal penetration, and anal sex to refer to any form of anal sexual activity, especially between pairings as opposed to anal masturbation. Teacher and Student or Boss and Secretary pornography involves sexualized situations which take place between an authority figure, such as a teacher or boss, and an underling, such as a student or secretary, often fake.