The Vulva

If a woman undresses in front of you, you probably will not see her sexual organs, because they are folded together between her legs and covered by a triangular patch of pubic hair. The pubic hair grows from the skin of the lower abdomen and from the labial mounds between the legs. It is generally curlier than hair on the head, though it may be fairly straight in women of Asian or Native American background. If the woman has shaved her pubic area, you may see a cleft where the two labial mounds press together, concealing the rest of the genitals, though the inner labial lips may protrude a little, depending on their size. Only when the woman spreads her legs while sitting, lying, or bending over, do the labia unfold to reveal the nestled, elliptical structures around the vagina.

The labial mounds are fatty folds of skin that have hair and sweat glands. They are anatomically similar to scrotal skin in men and similarly sensitive to touch; running fingers through the hair can increase blood flow and lubrication to the region. Inside the labial mounds are the even more sensitive, thinner labial lips, which are hairless and usually darker in color. The lips come together at the top in a hood which can be gently pushed back to reveal the clitoris, a small knob of tissue that is the focal point for sexual pleasure in most women. The hood of the clitoris, also called the prepuce, is analogous to the foreskin of the male penis. Pulling gently on the hood or labial lips will also stimulate the clitoris.

Below the clitoris and between the labial lips is a small area of pink or reddish skin which serves as the floor into which the vagina opens. Doctors refer to this area as the vestibule. There is a tiny mound for the urethral opening, or pee-hole, in this area, midway between the clitoris and the vaginal opening. When a woman is sexually aroused, the urethra closes, and lubricating fluids are released from ducts opening invisibly into the urethral mound. Many women ejaculate a small amount of clear or milky fluid at the time of orgasm.

In girls, the reddish skin of the vestibule is continuous with the hymen, a small curtain of mucous membrane that incompletely covers the opening to the vagina. The hymen is rich in blood vessels and may bleed a little when it is torn during first sexual intercourse. This was (and in parts of the world continues to be) an important sign of virginity, especially for girls who married at an early age. The hymen becomes increasingly translucent, thin, and elastic with age, so many women now do not experience any bleeding by the time they first experience penetration. During childbirth, the hymen stretches to the point where it is no longer visible, or only tiny remnants may be visible around the edge of the vaginal opening.

The Mouth

From the time we are infants, we derive pleasure and give and receive affection through our mouths. Freud thought oral sexuality was a developmental stage to be abandoned after breast-feeding, but the pleasures of the mouth are a unique and crucial part of the sexual repertoire. Teenagers who are not yet ready to have genital intercourse can enjoy kissing, necking, and even oral sex, and some men and women continue to prefer oral sex to other forms of intercourse. Kissing remains the most affectionate form of sexual expression, which makes it essential for some and a taboo for others (for example, a macho type will seek a blowjob from a man but turn away from his kiss).

Lips come in a variety of shapes and sizes that contribute to appearance and the quality of stimulation they provide. The skin of the lips has a dry surface on the outside and moist mucous membrane on the inside (which makes it similar to the entrance of the vagina). Fat lies beneath the surface of the lips, making them soft, while a thin muscle circles the mouth and allows for the pursing of the lips. This muscle is involved when you press lips together during passionate kissing, when you pucker around a nipple or clitoris, or when you encircle the shaft of a penis during fellatio. Since the outside of the lips are naturally dry, these activities may be more pleasant if they are wetted with saliva, lipstick, or petroleum jelly.

The lips work together with the muscles of the cheeks to create enough suction to lightly bruise the skin of the neck when making a “hickey” or love-bite. Some people also use their teeth to gently bite and tug on the nipples, labia, or foreskin during sex. This requires some control and attention to not hurt your partner. Some people also enjoy the light pain that comes from being bitten on the skin, and a full chapter is devoted to this form of love-making in the ancient Indian Kamasutra.

The tongue is essentially a muscle surrounded by mucous membrane. The muscle fibers run in all directions, so the tongue is able to stretch, curl, flick, and move dexterously. The upper surface of the tongue is textured, in order to better grip food, which contributes to the wet sensation of friction which makes a probing tongue so exciting.

Variations on Doggie Style

The Supplicant: Bottom semi-prone on elbows, face and chest to the ground. When the sex is especially good, the bottom becomes a worshiper, prostrate on the bed, offering his or her butt as a sacrifice. May slightly improve the depth and angle of penetration and provide greater stability and comfort during forceful thrusting. Emphasizes the beauty and flexibility of the bottom’s torso.

Tall Doggie: Bottom crouched on bed or other platform, top standing straight. Advantage: may be more comfortable for the top, depending on the relative height of the two partners. Disadvantage: more contrived and clinical and less intimate.

The Monkey: Top straddling with knees bent. Advantage: with legs akimbo and knees bent, the top has maximal range of motion for powerful thrusts. When mirrors or observers are present, this position provides the best view from behind of both partners. Emphasizes the athleticism of the top, especially in the buttocks and thighs.

True Doggie: Both partners on their knees, chest-to-back. Advantage: more intimate; kissing, nibbling, and fondling possible. Disadvantages: less range of motion and less variation in the depth of penetration. Can be uncomfortable or difficult to maintain if the partners are not well matched in size (the top a bit taller than the bottom).

The Archer: Top on one bent knee. A compromise or transitional position, between the full doggie and monkey positions. Allows the top to aim more precisely, but limits the depth of penetration. Not for novices, who may end up tipping each other over and changing the mood.

Doggie Style

This is the first in a series of posts about the variety of sexual positions that can be enjoyed by men and women in different combinations.

As much as I enjoy coming up with new terms, the common name for this position is just too popular and too apt. The doggie style is defined by the top partner mounting from behind the bottom, who is bent on hands and knees. Both men and women can play either role; a woman can use a strap-on dildo. In each case, the feeling of taking or being taken from behind may add an element of excitement, communicating animal passion. The top may enjoy a greater feeling of control, or domination, and enjoy the view of the partner from behind being penetrated.

The vagina can be entered just as deeply, if not more so, from this position, compared to the missionary position. The clitoris may get less direct stimulation, but the G-spot will be in the direct path of the thrusting penis or dildo. The top can switch from vaginal to anal intercourse without altering position much, though hygiene may be a concern when alternating between the two. The buttocks provide a nice cushion during anal sex, their protrusion only slightly limiting the depth of anal penetration. Anal sex in this position can be more painful initially for the bottom, because he or she has less control of the angle and pace of entry. A male bottom may also get less prostate stimulation, since penises tend to curve upwards.

The doggie style can also be enjoyed without penetration. The penis can slide between clenched thighs (intracrural) or up between the buttock cheeks. The top can place a hand on the back of the penis to sandwich it against the buttocks, or the bottom can reach between the legs to guide the penis between the thighs. Even without penetration, the friction against the asshole, clitoris, or lips of the vulva can be very pleasing. Advantage: a good position when you don’t have a condom handy or are not prepared for full intercourse (but be aware that infectious diseases and pregnancy are still a risk, especially if the top ejaculates onto the anus or vagina). Disadvantage: may be tantalizing and less satisfying to both partners, but especially the bottom; the skin of the thighs and buttocks may be uncomfortably dry; humping is best when the bottom has a generous booty; uncertainty about where the top should ejaculate.

Stay tuned for variations on the doggie style.

Blue Balls

If a man has been sexually aroused for some time and does not reach orgasm, he can develop a painful, congested feeling in his lower abdomen and testicles, commonly known as “blue balls.” Surprisingly, this phenomenon is almost completely ignored in the medical literature. Because there has been little medical investigation, we can't be certain whether the discomfort comes from venous congestion or from the build-up of seminal fluids.

Some consider blue balls a myth that young men use to pressure their girlfriends into sex. I'm sure the complaint has been used for that purpose, though there is really no excuse, since the discomfort is easily and safely relieved by masturbating to orgasm. But some people have a personal or cultural belief that masturbation is sinful or that it depletes masculine vigor. Of course, relief can also come in the form of a "wet dream" in the early morning during REM sleep, when men naturally and involuntarily develop an erection.

Have you ever experienced blue balls? Take the poll to the right.
Whether or not you suffer from blue balls, you may be able to get away with some naughty behavior with friends or roommates with the excuse that you are "horny" and "need relief." Most young men can sympathize. In fact, it may have been the idea of getting off with your pals that got you into a hard place to begin with.

Breasts

Studies have found that men spend more time staring at a woman's breasts than at her face or other parts of her body when judging attractiveness. Clearly breasts play an important role in attracting a mate. They come in a wide variety of sizes, and no particular size has been found to be more attractive. Everyone has his or her own preferences.

At puberty, women’s breasts expand into their adult shape over a couple of years as they accumulate fat. The nipples and areolas also enlarge and become darker in color and more sensitive to touch. The areolas develop a bumpy texture on account of lubricating glands just below the skin. Women’s breasts become more firm and sensitive during pregnancy and, to some extent, each month during the week leading up to ovulation. At those times, the breast may be too tender to manipulate sexually. The breasts become thinner and less pert after menopause, when the glandular tissue shrinks and is replaced by fat.

Some women consider their breasts uncomfortably large and seek surgical breast reduction. But about twice as many undergo surgery to augment the size of their breasts. The breasts are expanded by slipping saline implants, which are like water-filled balloons, beneath the breasts or underlying chest muscles. Though augmented breasts may not feel quite the same as natural breasts, and some firmness or rippling of the skin may occur in reaction to the implants, most women and their partners are satisfied with the results. Women who have had surgery to reduce or augment their breasts may have small scars near the armpit or at the fold on the underside of the breast, or sometimes around the areola.

Many women and men derive sexual pleasure from rubbing or squeezing their nipples or breasts, or from having them squeezed or sucked by a partner. The nipples are particularly well supplied with nerves that are sensitive to touch, and with tiny muscles that cause them to perk up. Some men enjoy rubbing their erection in a woman’s cleavage, but that is unlikely to be particularly stimulating for the woman, unless it is accompanied by nipple play. If you suck a woman’s nipples after she has given birth, you will stimulate the release of a sweet and fatty milk.

Men can develop breasts just like women, but this rarely occurs unless a man is obese or takes female hormones. For most men, the breasts consist only of the nipples and areolas. Men who develop “man titties” often consider them embarrassing and seek surgical breast reduction. I suspect some men and women might find breasts to be an attractive feature in otherwise masculine men, but I find no mention of this in the literature.

Sexual Addiction

Does sexual addiction exist?

Mental health professionals have been slow to recognize the problem, in part because of traditional assumptions that only drugs and alcohol are addicting, and that sexual deviancy depends on what a person finds arousing rather than on ones sexual appetite. But as the internet has brought pornography, chat, and escorts into everyone’s home office, and self-help groups have popped up for sex addicts, the profession has woken up to the challenge.

Like gambling, sexual behaviours can spin out of control. You become increasingly preoccupied with cruising for partners, hoarding pornography, fantasizing about sexual encounters, and masturbating to the point of exhaustion. You spend increasing amounts of time in pursuit of sexual gratification, to the point that you begin to lose sleep or fall behind at work. Your loved ones notice a change, and you waste even more energy trying to conceal your pursuits. You may try to cut back, but find it difficult to reign in your habits.

In an article in The Spectator, the author nicely describes his own experience becoming addicted to internet pornography, and his eventual recovery.

Why mention sexual addiction in a blog about flexible sexuality? If you are ashamed by your homosexual or bisexual urges, you should be reassured that those desires are natural and not themselves signs of deviancy or addiction. I don’t believe that any sexual orientation is inherently more hypersexual and vulnerable to addiction, except perhaps for the supersexual type. Even then, addiction is defined by the loss of control, not by how much or how often you want to have sex (which varies considerably from person to person).

But I suspect that sexual addiction is much more common than we realize and that some people who come across this blog might have worries about controlling their urges. If so, recognizing the problem and deciding to do something about it is a good first step.

Circumcision

About three-quarters of men in the United States are circumcised, slightly down from a peak of 80% fifty years ago. Rates are highest among white men, while only two-thirds of African-Americans and half of Latinos are circumcised. In no other country in the world are men circumcised at birth so routinely, unless for religious reasons. Circumcision was once thought to prevent boys from masturbating and becoming morons. Though that Victorian myth has been debunked, three-quarters of American mothers still consider a circumcised penis more visually and sexually appealing and more hygienic and request the procedure for their newborn boys.

The foreskin of uncircumcised men cloaks the head (or glans) of the penis in the flaccid state, often covering it completely like a drawn purse, except when it is manually retracted. The foreskin is like a cuff, with skin on the outer surface and a pinker mucous membrane on the inside. This inner surface is similar to the mucous membranes of the lips, vagina, and anus. When the penis is erect, the foreskin unrolls over the lengthening shaft, and the penis becomes virtually indistinguishable from a circumcised penis, except that the unrolled portion may be moister and pinker.

Medical journals continue to debate whether circumcision (or “male genital mutilation,” as some refer to the practice) affects sexual functioning in men. The foreskin contains specialized sensory nerve cells that detect vibration and motion, and glands which secrete lubricating fluids during sexual arousal, and these would be lost during circumcision. The head of the penis is probably more sensitive in uncircumcised men, because the mucosal surface turns into normal skin if the foreskin is removed. But it has been difficult to scientifically prove any difference in sensitivity, or whether greater sensitivity is good (easier to arouse) or bad (more tender) for uncircumcised men. Also, men with intact foreskins can accumulate a greasy white substance, called smegma, though this is rarely noticeable and easily cleaned. A number of studies have shown that men who are circumcised as adults are generally happy with the results, and circumcised men may have more oral sex, more anal sex, more frequent masturbation, and less sexual dysfunction.

There is no objective medical or aesthetic reason for prefering a cut or uncut penis. For most men, the choice was made for them by their parents. Otherwise, it comes down to personal preferences one might have in a partner, if one cares at all. Which do you prefer? Take the quick quiz to the right.

The Kamasutra

Since I refer to this blog as a “kamasutra,” I should give a shout out to the original, which was written seventeen hundred years ago by the sage Vatsyayana in what is now India. The Kamasutra was written for metropolitan playboys in pursuit of women, and it catalogued a variety of sexual practices without judgment. A fascinating and authoritative translation by Wendy Doniger was published in 2002 and is now available in paperback (the following quotes are from her translation).

Vatsyayana was well aware of the bisexual potential of men and women. The description of oral sex between men is among the longest and most ecstatic descriptions of a sex act in the entire book (which is saying something). Vatsyayana describes eight stages, from the initial placement of the lips on the head of the penis to the swallowing at climax. He reports men “who care for one another’s welfare and have established trust do this service for one another,” though oral sex was more commonly obtained from a masseur. A commentary by the scholar Yashodhara goes further, describing how men “take one another, in friendship, and give one another the sensual pleasure of ejaculation. They say, ‘You do it for me now, and I will do it for you later.’ Or both of them do it at the same time, by turning their bodies head to foot, losing all sense of time because of their passion.” These Indian sages were referring to men who were otherwise straight and interested in sex with women.

The same commentary by Yashodhara’s also describes oral sex between women: “Certain women in the harem, unable to get any tools, trusting in one another, excite one another with their mouth on the vagina.” Vatsyayana also describes how sexually unfulfilled women in a harem would “give pleasure to one another with the following techniques. They dress up a [girl] like a man and relieve their desire with dildos or with bulbs, roots, or fruits that have that form. They lie on statues of men that have distinct sexual characteristics.” Again, these were not lesbians in the modern sense but women who were otherwise expected to enjoy sex with men.

See also my posts on Sex Among South Asian Men and Bisexuality among Indian Women in Flexuality.

Pornography

Many of us discovered our sexual preferences in adolescence while flipping through an older friend's or relative's stack of pornographic magazines. Now everyone is more likely to find pornography on the internet. A wide selection of pornographic studios provide free content to thumbnail gallery posts (TGPs), so you can browse and see what catches your interest. Most straight TGPs (for example, PicHunter) have links to gay, bisexual, and "shemale" material, so you may have already taken a peek at same-sex or transgender pornography, if only out of curiosity.

All pornography involves acting (not all of it very good), and a single twenty minute scene may have actually involved hours of uncomfortable intercourse. The real sexual orientation of the models may have little relation to the acts they perform (i.e., they may be versatile or simply miscast). So don't be surprised if the participants don't always look like they are having fun.

Most “lesbian” pornography, unfortunately, is aimed at straight men rather than women and may seem particularly artificial in its depiction of female passion. But there is at least one good, free lesbian TGP that depicts women who look and behave more naturally, at RealLesbianPorn.

Some gay pornography exploits the gay-for-pay concept by presenting "amateur" straight men who have been tempted to explore their gay side for money, only to find they enjoy it. This may hold particular appeal for bi-curious viewers who can identify with the models. Gaysexer is a good TGP with a wide selection of studios and model types. Gaydemon organizes its thumbnail galleries by type of model and action and includes bisexual and shemale directories

“Bisexual” pornography typically involves threesomes in which two men have sex with each other and another woman. Again, it is created for men but may appeal to women who are turned on by gay sex. "FFM" (female-female-male) porn rarely features women who appear genuinely interested in each other. PenisBot has straight, gay, and other galleries, including a fairly good selection of bisexual images.

When browsing through pornography on the web, beware of fake TGPs that endlessly redirect you to other TGPs and studios or that carry malware. The sites listed on this post seem to be relatively safe. Video clips may carry more malware than photographs.