6 Reasons Women Sleep With Men (Proven By Science…)
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What makes a woman want to sleep with a man? Is it true that you can laugh a woman into bed? Do you need to be tall, dark and handsome to stand any chance at all?

Today, in an extract from the new book Why Women Have Sex, by psychologists Cindy Meston and David Buss, we reveal the features that make a man appeal to a woman, and why, are far more fascinating and complex than you could imagine…

SIZE MATTERS

What sort of body does a woman find desirable? Perhaps the most obvious physical characteristic she looks for in a man is height.

Studies consistently find that women consider tall men to be attractive. In analyses of personal ads, 80 per cent of women state they want to meet a man who is 6ft or taller.

Men who indicate in their personal ads that they are tall have also been shown to receive far more responses from women.

Other studies show women prefer tall men as husbands and put an even greater emphasis on height in shorter-term sex partners. Women even place importance on height when selecting sperm donors.

Two studies also found that taller-than-average men tend to have a greater number of live-in girlfriends and more children, confirming their popularity for romance and reproduction.

And there does seem to be an underlying logic in women’s preference for tall men. In Western cultures, tall men tend to have higher socio-economic status than short men.

Each added inch of height has been shown to add several thousand dollars to a man’s annual salary.

It is estimated that, on average, 6ft men earn more than $200,000 across a 30-year career than 5ft 5in men.

They also tend to be healthier than shorter men – and if they’re policemen, they get assaulted less than their shorter colleagues, which suggests height commands more respect from other men. What more could a girl want?

THE SCENT OF SEX

According to new scientific research, a woman will literally sniff out a man’s genetic make-up before she decides if he’s right for her.

A woman’s sense of smell reaches a peak around the time of her ovulation, the 24-hour window -during the monthly menstrual cycle in which she can become pregnant.

The genes responsible for fighting off disease-causing bacteria and viruses are found in a group of genes called the major histocompatibility complex, or MHC.

Different people have various versions of these genes  -  and it turns out that women can benefit in two ways from mating with men whose MHC genes are dissimilar to their own.

Such a mate is likely to have more dissimilar genes in general, so finding someone dissimilar attractive might help to prevent many of the birth defects associated with reproducing with close genetic relatives.

A second benefit is any children of such a union will have a more robust immune system.

The interesting thing is that women seem to be able to sniff out men with dissimilar MHC.

In a revealing study, Brazilian researchers asked 29 men to wear cotton skin patches for five days to absorb their sweat  -  and thus their body odors.

A sample of 29 women then smelled each cotton patch and evaluated the odor on a scale from attractive to unattractive.

Scientists identified the specific MHC complex of each man and woman through blood tests. Women found the aromas of men who had a complex dissimilar to their own to be the most desirable.

The odors of men who had a complex similar to their own made them recoil in disgust.

This highly developed sense of smell can have a profound effect on women’s sexuality.

Evolutionary psychologist Christine Garver-Apgar studied MHC similarity in 48 couples.

They found that as the degree of similarity between each woman and man increased, the woman’s sexual responsiveness to her partner decreased.

Women whose partners had similar genes reported wanting to have sex less often. They had less motivation to please their partner sexually compared to the women going out with men with dissimilar genes.

Women with MHC-similar partners also reported more frequent sexual fantasies about other men, particularly at the most fertile phase of their ovulation cycle.

And their sexual fantasies about other men did not just remain in their heads. They also reported higher rates of sexual infidelity. Especially with men who possessed these qualities.

FIT FOR SEX

Height is not the only aspect of men’s bodies that excites women.

Studies of mate preferences reveal that women desire strong, muscular, athletic men for long-term partnerships as well as for sexual liaisons.

Most women also show a distinct preference for a V-shaped torso – broad shoulders relative to hips. They are also attracted to a lean stomach combined with a muscular (but not muscle-bound) upper torso.

In fact, both sexes judge men with a high shoulder-to-hip ratio to be more physically and socially dominant.

This may give a clue to its appeal, since women are not attracted to men who appear as though they could be easily dominated by other men.

Men with a high shoulder-to-hip ratio begin having sexual intercourse at an early age – 16 or younger.

They report having more sex partners than their slim-shouldered peers. But be warned: they have more affairs while in a relationship.

And they report more instances of being chosen by women who are already in relationships for affairs on the side.

Scientific research, though, has discovered that men overestimate the degree of muscularity that women find attractive, assuming they need to pump iron and sport a honed six-pack to be attractive.

Images of muscle-bound men have almost certainly fostered men’s misperception of what women find most sexually attractive – just as photo spreads of impossibly thin models have led women to overestimate the degree of thinness that men find most attractive.

(Another major misperception: most men think their body is what gets them the most sex. When… in fact… one night stands come down to a few, careful qualities women select in their potential mates.

One study compared the muscularity of men’s bodies in Cosmopolitan magazine (whose readership is 89 per cent women) with Men’s Health (whose readership is 85 per cent men).

The level of muscularity in Cosmopolitan was nearly identical to that which women rate as ideal in a sexual partner. Men, in contrast, mistakenly believe women desire a more muscular sex partner, which corresponds more closely with the muscularity of men in Men’s Health.

After viewing repeated images of V-shaped bodies, men become more dissatisfied with their own bodies, just as women become more unhappy with their bodies after seeing images of size zero models.

A SEXY VOICE

Voice pitch is the most striking feature of human speech and, according to research, there is a definite sound of sexiness – something about male voices that gives women a sexual buzz.

Before puberty, male and female voices are similar. At puberty, however, remarkable changes occur. Boys experience a dramatic increase in the length of their vocal cords, which become 60 per cent longer than those of girls.

Longer vocal cords and tracts produce a deeper, more resonant voice pitch.

Testosterone triggers the change in boys at puberty and high levels of testosterone predict deeper voices among adult men.

Recent investigations show that whether women are looking for a short-term or long-term relationship is critical in how they choose among men’s voices.

Evolutionary anthropologist David Puts obtained voice recordings of 30 men attempting to persuade a woman to go out on a romantic date.

Then 142 heterosexual women listened to the recordings and rated each man’s attractiveness for a short-term sexual encounter and a long-term committed relationship.

Though women said the deeper voices were more attractive in both mating contexts, they dramatically preferred the deeper voices when considering them as prospects for purely sexual, short-term encounters.

Moreover, women in the fertile phase of their ovulation cycle showed the strongest sexual attraction to men with deep voices.

But even the men with the deepest voices don’t have successful sex lives… unless… they say the “right” thing to women. In fact, a select few researchers have discovered that certain WORDS you say can turn women on, as if by magic.

SOMETHING IN THE WAY HE MOVES

 In our studies, we found that some women had sex with men simply because they’d been impressed by their dancing. Research reveals that women find certain body movements to be more attractive than others.

One study had women view digitally masked or pixellated images of men dancing. They were more attracted to men who displayed larger and more sweeping movements. They also rated these men more erotic.

Other patterns of men’s movements provide women with valuable mating information. Nonreciprocal same-sex touching -  when a man touches another man’s back, for example – is a well-documented signal of dominance.

Women see ‘touchers’ as having more status, a key component of a man’s mate value. Movements that maximize space, as when a man stretches his arms or extends his legs, are another dominance signal.

Those who display open body positioning – for example, by not folding their arms across the chest  – are judged to be more potent and persuasive.

SEXY PERSONALITY

Sexual attraction isn’t simply a matter of physical bodies drawn magnetically together in search of compatibility.

For some women, personality – in particular, a good sense of humor – is equally, if not more, important in generating a sexual spark.

One indication of the importance of a good sense of humor in a man is that it is one of the few personality traits that has its own abbreviation in online dating sites: GSOH.

Another is that research shows married women who think their husbands are witty are more satisfied with their marriages than women who do not.

Women rate it as a desirable trait in short-term sexual and long-term romantic relationships.

But humor isn’t the only part of a sexy personality. In fact, a small group of sex researchers have come up with 8 different ways to attract women based on their personalities alone. You can find their research in this free video, which they’ve promised to leave online for a limited time.


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