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When aroused, men experience rigidity of the sex organ (the penis). But this increased blood flow, although concentrated in the genitals can also affect...
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...
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...
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...
Men cannot accept that women are unresponsive
Men’s experience of women is based on their observation of their lovers. Couples, even in long term relationships, do not discuss the details of...
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...
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...
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 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...
The romantic pleasure a woman enjoys from sex
In modern times we talk of sexual partners but in the past, heterosexuals more often talked of lovers. Women do not think of sex...
Why women cannot orgasm through intercourse
Male orgasm through intercourse is crucial to human reproductive biology.
(1) Intercourse is totally defined by male responses
Intercourse is a demonstration of the male arousal...
The mental focus required to achieve orgasm
Anyone who masturbates needs to use fantasy for arousal. Turn-ons are erotic concepts or images that motivate us to engage in sexual activity. We...
Women mistake emotional sensations for orgasm
Female orgasm is not an issue in sexual relationships because the vast majority of women accept sex for what it is. Such women describe...
How we know that female orgasm is uncommon
Orgasm is achieved by stimulating specific anatomy. This is because mental arousal causes the erectile organ (the phallus) to become tumescent. Confusion over the...
How women masturbate themselves to orgasm
Women may be mildly curious about genitals but they are not aroused by them. Neither are women hormonally aroused as younger men are. So...
Some people enjoy abstract eroticism and fantasy
Sexuality is about our motivation to explore our fantasies both during masturbation alone and during sex play with a lover. Our ability to reach...
The erotic pleasure a man enjoys from sex
Men typically initiate sex and they masturbate much more frequently than women do. If male sex drive only involved a desire for orgasm, then...
Sex as a bargaining chip in loving relationships
When we are single, we can focus on our own selfish needs. But when we have a relationship with another person, we need to...
Why couples struggle to communicate over sex
Sex is most rewarding for a woman in the romantic scenario of a new relationship. In the beginning a man’s easy arousal means that...
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...
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 behaviours compensate for responsiveness
We cannot start to understand sexuality unless we differentiate between responsiveness and conscious behaviours. For the most part, our minds and bodies function in...



















