Normal quantities of ejaculate range from 1.5 to 5.0 milliliters . Women who perform in lesbian pornography often do not consider hot gay sex themselves lesbian or bisexual. The other person may do the same during or after. A survey by the New York City Department of Health and Mental Hygiene found that heterosexual women are more likely to bareback when engaging in anal sex than homosexual and bisexual men. Lolita pornography features women who are 18 years old or slightly older, who pretend to be underage teen girls. Comic books often featured characters being tied up and tying others up, particularly in damsel in distress plots. Adult animation is genre of animation geared towards adults and sometimes teens. The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. Pregnancy fetishism is a context where pregnancy is seen by individuals or cultures as an erotic phenomenon. Barebacking usually refers to a conscious and deliberate choice to forgo condoms. A pornographic work is characterized as hardcore if it has any hardcore content, no matter how small. Transsexual porn star Wendy Williams has stated that transsexual Porn is classified as Straight Specialty. In 1988, a sex tape hentai movies caused significant damage to Rob Lowe career. Older names for a pornographic film include stag film, and blue movie. Sigmund Freud considered foot binding as a form of fetishism. Men may also rub or massage the glans, the rim of the glans, and the frenular delta. Sadomasochism is practiced in isolation relatively rarely, though some masochists report biting, pinching, or even stun-gunning themselves as a prelude to, or as part of, masturbation. The object or situation of interest is called the fetish; the person who has a fetish for that object/situation is a naked milf fetishist. Diaper pornography involves performers wearing diapers, sometimes with an adult performer acting in the role of a caretaker. Examples of heterosexual pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion.