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

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...

Intercourse involves reproductive risk for women

Men tend to focus on sexual pleasure so we often equate sexuality to responsiveness. Orgasm is certainly one erotic pleasure that motivates a person...

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...

Young women tend to focus on their attractiveness

A girl first becomes aware of herself as a sexual being when men start commenting on her breasts. The breasts develop from around 12.4...

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...

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...

Sex without consent is rape regardless of intent

It’s important to appreciate that the situation where a man rapes random strangers is rare. These men (called rapists) specifically enjoy the violence of...

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 drive the need for dating and romance

Without sex, there may be friendship between adults but there is little physical intimacy. Heterosexual women are dependent on men to provide this sense...

Sex drive: a need to ejaculate through intercourse

Male sex drive arises from the build-up of sexual tension (through regular arousal). Men may be able to relieve tension to a degree by...

Mental arousal combines with a thrusting instinct

Men can orgasm from non-reproductive activity such as fellatio or masturbation. But men obtain the most satisfying sexual release by ejaculating into a lover’s...

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...

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...

The kind of stimulation that leads to orgasm

Regardless of orientation, men orgasm through intercourse, masturbation and fellatio. A man’s arousal (in the form of an erection) also gives him a clear...

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...

Understanding a man’s need for erotic turn-ons

For most people, sexual activity whether alone or with a lover is a private affair. We rarely see other people engaging in sexual activity....

The misunderstandings behind sexual dysfunction

True sexual dysfunctions are very rare. The word dysfunction implies that something is not working properly. In order to define dysfunction, we must first...

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...

How to make the most of sexual pleasuring

Sexuality is about enjoying sexual pleasure with a lover. We experience sensual, emotional and erotic pleasure. A sex education should include a description of...

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...

Women attract men by sexualising themselves

We wear clothes for protection, for warmth, for decency and also for display. The need to differentiate ourselves depends on our personality. Many women...