Cartoon pornography includes, but is not limited to, hentai and parody renditions of famous cartoons and comics. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. Commenting on why there are not as many female macrophiles, psychologist Helen Friedman theorized that because women in most societies already view men as dominant and powerful, there no need for them to fantasize about it. 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 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. Nevertheless, it is only an attempt at phenomenological differentiation. The term has also applied to other professions and even companies trying to appeal to a gay demographic. Before the enforcement of the Hays Code, some cartoon shorts contained humor that was aimed at adult audience members rather than children. It is geared towards heterosexual men, who most typically define a threesome as such. Lolita pornography caters to gay fuck ephebophiles. If one person is penetrated by two objects, it is generically called double penetration . Lolita pornography that features actual teenage girls under momsex the age of 18 is illegal in most countries 3d hentai and treated as child or youth pornography. Voyeur pornography may also include shots of topless women on topless beaches who are unaware of the cameras but may legally be photographed due to the public setting. While some fantasize about a giantess who is slightly taller than himself, others are interested in giantesses that are hundreds or even thousands of feet tall. In Japanese, the term describes any type of perverse or bizarre sexual desire or act; it does not represent a genre of work.