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Our sex is determined by chromosomes. A man has an XY chromosome and a woman has an XX chromosome. There are other combinations (involving...
Intercourse is the heterosexual lovemaking act
When a man and a woman are attracted to each other, intercourse feels very natural. This is no coincidence. The male and female body...
Intercourse needs to continue until ejaculation
A man is biologically motivated to impregnate a woman through an on-going process of demonstrating his virility (as a potent male who may be...
At puberty boys develop a reliable arousal cycle
From a young age, many boys already demonstrate a more active and outgoing personality than most girls. Boys enjoy physical activities such as sport...
The female erectile sex organ (or phallus)
In the absence of testosterone, the genital tubercle forms the female phallus, called the clitoris. The clitoris consists of the glans and the internal...
Factors that are believed to affect male responsiveness
Factors that affect men’s orgasm frequencies include their age, the age at which they reached adolescence, as well as their level of education and...
Penetration is what makes sex erotic and taboo
Penetrative sex (both anal and vaginal intercourse) has a special role in our concept of eroticism. Penetration by a phallus is key to our...
Consent is vital even within loving relationships
Sexuality is about the choices we make to explore our sexuality both alone and with a lover. The way in which we express our...
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...
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...
Understanding the value of non-sexual intimacy
Sexuality is about our emotions and how we feel loved in our relationships with others. Although sex is often described in terms of eroticism,...
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....
How we know that someone has had an orgasm
Orgasm is a subconscious response but we need to take conscious actions to achieve it. A responsive person knows when they have had an...
Differences between men and women’s responses
One of the major differences between the way men and women respond in sexual scenarios is that being touched by a lover, is emotionally...
Women’s fantasies are sexually explicit scenarios
A responsive woman’s use of fantasies means her experiences do not fit with any of the descriptions of sexual activity that we see portrayed...
How men masturbate themselves to orgasm
Few boys masturbate before the onset of adolescence. Only 10% of boys are masturbating by the age of nine and only 13% by ten...
Men are aroused by seeing and stimulating genitals
Children of both sexes are indifferent to genitals. They may be mildly curious but they consider genitals to be ugly and smelly parts of...
How we know women do not orgasm with a lover
Neither women themselves nor their lovers ever comment on the obvious contradiction over assumptions about the female anatomy involved in orgasm. A woman is...
How a man can have relationship sex more often
Nature never intended men to be monogamous. In every society, men’s greater inclination for promiscuity is accepted as a natural and defining characteristic of...
Men and women’s perspectives on relationships
Sexuality is about a sexual relationship, which includes social, emotional and sexual aspects. Long-term committed relationships are vital to supporting families over the decades...
A man needs to make sex exciting for a woman
When women see men, they think of sex. You could equally well say that men think the same thing when they see women. But...
Sexual pleasure need not always focus on orgasm
Alfred Kinsey concluded that any research that involved making subjective judgements of the emotional rewards of sex activity would make it impossible to compare...
Women have varying degrees of sexual willingness
Human beings are sociable animals. Most of us want to be accepted in our social group. We want to share experiences. We hope to...