Human reproduction

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...

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 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...

Why women feel inadequate about their bodies

Given women’s dislike of genitals, many of the terms for the female genitals come from men and are considered obscene by women. Rather than...

Why men feel inadequate over penis size

Men’s sexual role (after impregnating women) is to protect the family. In an aggressive situation a man must be physically large and muscular to...

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...

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...