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Male orgasm is not directly linked to reproduction, but ejaculation is required. The function of male orgasm is to trigger the ejaculation of sperm....

Responsibility for contraception and abortion

The (contraceptive) pill, taken on a daily basis by a woman, contains hormones that stop her ovaries producing eggs. A condom, worn by the...

How the male and female sexual roles differ

Primitive life, such as bacteria, reproduce asexually. But most animals and plants reproduce sexually. Offspring inherit genes from both parents. Even in plants, the...

Young men tend to focus on enjoying their arousal

Men are valued for their physical strength, their practical skills and their personal confidence (leaderships skills). Young men increase their muscle mass at puberty...

At puberty girls develop a child-bearing capacity

From a young age, most girls demonstrate a more passive and timid personality than most boys. Girls often focus on social activities rather than...

Male homosexuality focuses on casual sex

Kinsey found that only 50% of the men in his sample were exclusively heterosexual. Many men (46%) were attracted towards other men even if...

Intercourse is a territorial act of male dominance

In a society where men and women raise families together, intercourse is presented as a lovemaking act. But by looking at Nature we can...

Sexual scenarios tend to be biased in men’s favour

No one ever admits that sex is biased in men’s favour. Accounts of female orgasm are heavily promoted and accounts of harassment, exploitation and...

Child sexual abuse, incest and paedophilia

Paedophiles blatantly challenge the concept of consent. Paedophilia involves a few men who are sexually attracted to pre-pubescent children. Many paedophiles control their urges...

Sexual attraction and commitment to a relationship

Especially in the early days of a romance, both sexes can feel an electric thrill from touching, hearing or seeing a lover. We have...

Men’s sexual satisfaction relies on having a lover

The key purpose of sex is to effect reproduction, which is done via intercourse. So men’s sexuality has to include a need to engage...

Women are naturally sexually passive with a lover

Imagine a woman who responds like a man. She is highly aroused from the start. She strips her lover naked to see his genitals....

Arousal is psychological and arises in the mind

Sexual arousal arises in the brain and is a form of nervous excitement. In other words, the nervous system is disturbed (more agitated than...

Similarities between men and women’s responses

Orgasm is a basic physiological response of the human body. Just as the same mechanism causes men and women to sneeze, so we also...

Educated men masturbate more than other men

Masturbation is least common among less educated males (89%). More men who are high school educated (95%) and men who are college educated (96%)...

Women only orgasm when alone not with a lover

Men’s drive to penetrate inherently involves another person. But women do not have this hormonal drive that men have. So women have not evolved...

An arousal trigger is either an object or a concept

Some boys and young men can be so highly aroused that they orgasm spontaneously or with little time needed to become aroused. But most...

Why couples don’t discuss female arousal

Much of the sexual activity between heterosexuals is carried on without communication. Once intimacy has been established, by kissing for example, a man assumes...

How a woman can interest a man in having sex

Sex occurs much more easily in the early stages of a relationship because being affectionate with each other provides the most natural lead-in to...

Anorgasmia, preorgasmia and vaginismus

Women who masturbate themselves to orgasm are called pre-orgasmic. Rather than celebrate the fact that they experience orgasm, the implication is that women are...

Sexual techniques that may pleasure a woman

Men engage in sexual activity to release accumulated arousal through thrusting and orgasm. By contrast, even responsive women only generate the kind of arousal...

Sexual techniques that may pleasure a man

Men hope that a lover will enjoy contributing enthusiastically to their intimate time together: sharing fantasies, sex play and affection. Arousing a man is...

The sexual politics of women competing over men

If men and women wanted the same thing there would be no sexual politics. Men and women are at odds because they want different...