Normal quantities of ejaculate range from 1.5 to 5.0 milliliters . A woman can use a secondary vibrator, between the dildo and her genitals, to get pleasure from pegging. The industry generally refers to such films as adult films, which is part of adult entertainment. Because the viewing of such films carried a social stigma, they were viewed at brothels, adult movie theaters, stag parties, at gay hentai home, in private clubs and also at night cinemas. The name was coined from the title of the controversial book. Today, religions vary in their views of masturbation; some view it as a spiritually detrimental practice, some see it as not spiritually detrimental, and others take a situational view. Bestiality is illegal in many countries. Examples of mentally naked milf oriented practices are education games, during which the dominant requires gay movies certain forms of behavior from the submissive. Some straight actors have started acting in gay porn only to be accused of being gay while others first step was to strictly do solo scenes. The cover can have hinges or be a separate part. The act may be carried out face to face, or head to tail, with the woman recommended to be on top if she has smaller breasts. They may regard it as an enhancing element of their sex lives or as their primary form of sexual activity. If dramatic skills are not involved, a performer in a porn film may also be called a model. However, bisexual pornography is often placed near the gay section in adult video stores, since many consumers are gay men. The volume of semen that is ejaculated depends on several factors, including the male health, age, degree of sexual excitement, and the time since his last ejaculation. A related term used in the genre is the term cougar, which implies an older woman as predator. It is geared towards heterosexual men, who most typically define a threesome as such. Masturbation is the self-sexual stimulation of the genitals for sexual arousal or other sexual pleasure, usually to the point of orgasm.