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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...
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...
Diversity: our sex, our personality and our gender
Sexuality includes our sex, our personality and our gender. The reason we have two sexes is for diversity. Some people like being different. They...
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...
Human sexual anatomy and development
Sexuality is about appreciating the human body and sexual anatomy. We should understand the function of the male and female genitalia as well as...
Lesbianism focuses on longer-term relationships
Only 2% of women are exclusively gay (half as common as male homosexuality). The average age to come out is 17 years old for...
The significance of nudity and being touched
Private parts refer to the anatomy that we may want (or be required) to cover up. Private parts include the buttocks, the genitals 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...
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...
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...
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 often unsure about orgasm during sex
If intercourse caused female orgasm, there wouldn’t be a mystery that needed researching in the first place. Any scientific account of female responsiveness has...
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...
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...
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...
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...
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...
Women make conscious effort to respond sexually
With all the fiction surrounding women’s sexuality, it is important to appreciate that female sexuality has not evolved solely for the purpose of gratifying...
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...
Only some men are motivated to offer foreplay
There must inevitably be some men who are content with the frequency and quality of sex that their female partners provide. This may be...
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 sex industry focuses on male gratification
Sexuality is about talking, observing or interacting with others in return for payment or other non-relationship rewards. Depending on our personality we may employ...