OPINION: Does it really matter what others think about your partner? Relationship expert Jill Goldson discusses the challenges to navigate when we don't have approval from our social networks of our choice of mate.

COMMENT: Given the sordid, coercive and traumatising nature of most incest, it seems a little reckless to push a "my DNA made me do it" line, even in unusual cases, writes Paul Thomas.

COMMENT: For the past 10 years, my wife has felt vaguely cheated by the vasectomy I had in 2005, writes Neil Lyndon.

Society is gradually shifting towards gender equality. Yet most of us still carry a badge of differential gender roles that is intimately tied up in our identity: our names.

This age is when we tend to have the most people in our real-life social networks.

OPINION: We've all been told to focus on the positive, not to indulge in negative thinking. Jill Goldson explains why this is the wrong approach when it comes to dealing with fear.

A condom company has launched a series of bad taste ads featuring sexual diseases as Tinder profiles.

A doctor debunks the most common misinformation about taking the pill.

Why we're secretly attracted to our parents' lookalikes.

These are some of questions about relationships sociologist Michael Rosenfeld, of Stanford University, has been asking as part of a longitudinal study.

Recruited for a wedding party? One woman shares her requests to remain sane.

COMMENT: For those who are growing up in the digital area, sexting is fun and flirty - and safe, writes Melissa Isabella Meyer.

Swiping right while in another country could lead to more than just a date - it's also a great way to meet locals.

Psychologists reveal why we close our eyes when locking lips.

Researchers' surprising findings about smart people and what makes them happy.

Princess Diana's former private secretary opens up about her 1995 tell-all interview.

If you're looking for love on social media dating sites your success may rest with the person one swipe before you.

COMMENT: You will have seen this topic covered before. Sometimes the discussion goes around in circles: What effect will it have on their brains? Are they in danger? Could it be a positive?

With their shared boyfriend.

And some advice for the girls on The Bachelor.

Different bachelor. Same old sexist messages being broadcast to young minds across the nation, writes Shelley Bridgeman.

With 'cyberdildonics' set to become the next big thing in sex toys, experts warn of the dangers.

COMMENT: How do you tell a child about their grandparent's sexuality?

COMMENT: Learning what it's really like to be a solo parent.

Relationship expert Jill Goldson weighs in on the best steps to aid children through a custody battle.

More prevalent and obtainable than ever before, Sarah Williams asks if we're really okay with this more casual approach to relationships.