Arm’s length: 45% of Japanese women aged 16-24 are ‘not interested in or despise sexual contact’. More than a quarter of men feel the same way. Photograph: Eric Rechsteiner Ai Aoyama is a sex and relationship counsellor who works out of her narrow three-storey home on a Tokyo back street. Her

Not bad enough to leave, but not good enough to fulfil you are YOU trapped in a half-happy marriage? By Diana Appleyard Created: 17:37 EDT, 7 July 2011

When Sadie fell in love with Marco, he was a woman named Erica. Since then, Erica has had a sex change, becoming Marco, and the couple have found themselves in a relationship that is more akin to a heterosexual one.

In a long-term relationship? Not doing it? I’ve learned that the first step to an incredible sex life might just be lowered expectations.

Sex differences in humans have been studied in a variety of fields. In humans, biological sex is determined by five factors present at birth: the presence or absence of a Y chromosome, the type of gonads, the sex hormones, the internal reproductive anatomy (such as the uterus), and the external genitalia.

Discover all about sexual positions from two therapists working in the field of human sexuality.

Sex and touch in general can improve long-term intimacy in a relationship both in and out of the bedroom, including greater regard for …

We continued meeting up and for the first 5 times I took it as just sex. Not just sex, but really aggressive, dirty sex and sexual role-playing.

Designed to radically and permanently alter the key areas that impact your life. This includes your confidence levels, your purpose, your relationships, your career, creating wealth and abundance and enjoying a phenomenal sex life.

Special announcement for friends and fans of Michael Webb, world-renowned relationship author and expert . I just gave away my car. This might just be the best news ever for your relationship – read the story to discover why.