Forget regret! How to have a happy life – according to the world’s leading expert

For 84 years, the Harvard Study of Adult Development has tracked the lives of hundreds of Americans. Now its director, Robert Waldinger, is explaining what it has taught him about health and fulfilment

I’m in a relationship but joined a dating site using fake photos

You have deceived a lot of people, including yourself. Ask yourself why – and have a straight talk with your partner

How ‘love languages’ has been helping couples for 30 years

It’s a well-established therapeutic tool for allowing couples to make sense of each other, but now social media has given the idea of ‘love languages’ a real boost

How can you be the best possible parent, lover, friend, citizen or tourist? Here’s what the experts think

It’s not easy being a ‘good’ person – what can we learn from the people who have thought about it the most?

More Australian teenagers are sexually active and for one-third it’s unwanted

Exclusive: National survey of young people also finds fewer than half used a condom during their latest sexual experience

My in-laws won’t accept my post-chemo vulnerability. Do I confront them?

You are well within your rights to ask them to consider your weakened immune system. You deserve to feel safe – even if the chat causes tension

Fertility treatment and work are often incompatible – employers need to step up

I know from experience how hard the balancing act can be. It’s in organisations’ interests to provide proper support, says fertility consultant Zeynep Gurtin

My in-laws never pay their way and it drives me mad. How can I break this habit?

Ask your husband why he always pays for his family – and ask yourself why you don’t dare discuss this behaviour with them

My partner snores and won’t do anything about it. Help!

It will be hard to change his behaviour alone, writes advice columnist Eleanor Gordon-Smith. But stand your ground – even if sleep-deprived

My friends are very flirty with my new partner. What should I do about it?

This may be their way of showing they accept your new man. And remember, you can ask him for some reassurance