Some gay anime may pursue fantasies that are concerned with the circumstances in which a subject may give birth, hentai videos or to the conditions to which the pregnant subject may find themselves acting upon, such as approaches to mobility, sleeping, and dressing. Point of view pornography is adult entertainment filmed to look as if the watcher were experiencing the sex act themselves. The activity is done by itself or as a part of or prelude to other activities which many times involve sex. A study of 164 males in Finland from two SM clubs found that 18.2% had engaged in coprophilia; 3% as a sadist, 6.1% as a masochist, and 9.1% as both. 18% of heterosexuals and 17% of homosexuals in the study pool had tried coprophilia, showing no statistically significant difference between heterosexuals and homosexuals. The naked appearance of actress Demi Moore in the advanced stage of pregnancy on the cover of Vanity Fair magazine in 1991 marked the beginning of a period which has since seen pregnancy presented by celebrities as a glamorous celebrity porn state of living, while also creating a market for photographers to produce images of pregnant mothers, and for fashion stylists to introduce pregnancy styling to their business. The consensual submission of the submissive is sometimes demonstrated to others by symbols indicating his/her belonging to the dominant, such as wearing a collar, special tattoos, piercings, a very short haircut or a bald head. Exhibitionism: Becoming noticeably desperate or wetting oneself with the express purpose of being seen by strangers. Top and dominant are widely recognized for those partner in the relationship or activity who are, respectively, the physically active or controlling participants. It has since become popular enough with couples to be discussed during an episode of Sex and the City. Breeding is sometimes followed by felching, which involves sucking the semen from the partner anus. During anal sex, male pleasure can be particularly derived from gay bear porn the prostate, which can lead celebrity news to an orgasm momsex and ejaculation.