The porn industry and viewing public were shocked by the then-taboo spectacle of a white woman having 3d hentai sex with a black man. Bestiality is illegal in many countries. 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. Mammary intercourse is a sex act, performed as foreplay or as non-penetrative sex, that involves the stimulation of the male penis by the female breasts and vice versa. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. The full-weight body-pressure, moisture, sex odors and darkness can be perceived as powerful sexual attractions or compulsions. There are number of types of sex parties: Swinger party/gathering A swinger party or partner-swapping party is a gathering at which individuals or couples in a committed relationship can engage in sexual activities with others as a recreational or social activity. When the interest in a particular gay bear porn subject momsex is obsessive, the behavior may be described as stalking. The term sadomasochism is derived from the words sadism and masochism . Specific sex acts Anal Anal pornography features anal penetration with a penis, dildo, other objects, or some combination of them. Urolagnia is a form of salirophilia in which sexual excitement is associated with the sight or thought of urine or urination. Normal quantities of ejaculate range from 1.5 to 5.0 milliliters . Portrayals of lesbians in the media suggest that society at large has been simultaneously intrigued and threatened by women who challenge feminine gender roles, and fascinated and appalled with women who are romantically involved with other women. Starting with erotic stories and woodblock prints from before the 20th century, Japanese pornography evolved into distinct subcategories with the media that in addition of pornographic videos and magazines featuring live actors, there is exist categories of pornographic manga , pornographic computer games , and pornographic anime .