01/27/2012 02:49 pm ET

Forget A Romantic Dinner For Two, Double Dating Is The Real Secret To A Long And Happy Marriage

With more and more break-ups hitting the headlines, many will welcome any advice on how to sustain a long and happy relationship.

And scientists in Maryland think they have found the secret: having another couple to share your happiness with.

The research found that relationships of people who spent time 'double dating' -- like Gwyneth Paltrow and Chris Martin, and Beyonce and Jay Z -- tended to last much longer.



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