Couples are more likely to give up smoking, visit the gym, or lose weight if they get healthy together, a study has found.

A relationship is a big investment in our lives. We may think we are not influenced, yet there are "rules" out there which often create unreasonable doubt in our hearts.

Gwyneth Paltrow has opened up about her romances with Brad Pitt and Ben Affleck, insisting one was too good for her while the other wasn't "in a good place".

Spy agency MI5 has for the first time made it into the top 10 of the UK's most gay-friendly employers.

NZ Herald's anonymous single girl of summer tests out instant dating app Tinder in her challenge to find love.

12 Questions asks the good, the great and the interesting to ponder the big things in life - faith, hope, failure, love and money. Here are the best quotes from the year on sex.

I'm Lonnae O'Neal now, but I was Lonnae O'Neal Parker for more than two decades. The pain is for a body of work I produced as my three-named self.

In a new working paper, Canadian economists Shawn Grover and John Helliwell show the effect of marriage on a lifetime of happiness.

Kiwi singer Ladyhawke and actress Madeleine Sami exchanged vows at a late afternoon wedding under perfect Wairarapa weather yesterday.

When we see a couple with a significant age gap, we reach for the deerstalker. We raise our eyebrows, give a little cynical snort, and say, "well, we know why they're together, don't we?"

Miranda Kerr thinks it's fine for a woman to date multiple men as long as they don't sleep with any of them.

Bristlr isn't just a bearded face: The app is introducing some innovations that could add critical social context back to online dating.

As Stephen Fry prepares to tie the knot with Elliott Spencer, Patrick Strudwick explains why he believes that the couple's union explodes many of the myths surrounding gay marriage.

Matt Boggs' carefully laid plan to propose to his girlfriend at one of her favourite places in Whangamata nearly sank when his old wave ski started taking on water.

It is a good idea to keep New Year's resolutions about managing relationships quite simple. Here are a few ideas to start off with, from Jill Goldson.

A spurned husband in England cut up $10,000 of his wife's clothes before packing them neatly back in the wardrobe.

If we're to be defined for all eternity by the application we searched for most, 2014 was the year of Tinder.

Deborah Hill Cone scavenged from the filter of life and presents us with 30 things she learned in 2014.

Some of Shortland Street's hottest stars have posed for the show's sauciest photo shoot.

Any new singleton, wary of dipping their toe into the murky water of online dating, must surely be even more cautious after two news stories this week highlighting the perils of such behaviour.

Superstar Sir Elton John and David Furnish are to marry Christmas week in a "small and intimate" ceremony, nine years after exchanging vows for their civil partnership.

Why do we feel so down when we get a whiff of rejection? We know in our hearts that we can't like everyone who likes us - just as everyone we happen to like can't like us.

It is after 10 years together that relationships are at their rockiest, a study claims. But hit 35 and you're in for extremely plain sailing.

Bob Jones writes: Female gullibility is essential for the continuation of the species, thus we must take the bad with the good.

Living back home with mum and dad - a sensible move full of focus and strategy - or a bleak admission to having lost your foothold in the climb up the mountain of adult life'?

Is rekindled love a delicate and tender flower - or a releasing of a genie from a bottle with a warning on the label?

If you must smooch in public, here are five rules to follow, says Hannah Betts.