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Marry your best friend? Science says it could be a 'do' for long-term happiness

Should you date (and maybe even marry) your best friend? That question's been the topic of countless rom-coms. But beyond the big screen, some scientists are now pointing to evidence that says marrying your best friend is something you might want to consider saying "I do" to.

A new paper published by the National Bureau of Economic Research, which controlled for pre-marriage happiness levels, found that married people are both happier and more satisfied with their lives than those who remain single. And the satisfaction the reportedly lasted for decades, not fading away after the "honeymoon" period.

One reason the study gives for why marriages remain so satisfying, is the role of friendship. The study found that the "well-being effects of marriage are about twice as large for those whose spouse is also their best friend."

According to the study, women benefit more from being married to their best friend than men do. But, women are also less likely to regard their spouse as their best friend.

Additionally, Bravo, in conjunction with its new show, "Friends to Lovers," conducted a poll of 1,000 people nationwide found that about 1/3 of those who tried to find love with their best friends, made it to the alter. 

But the study also found that of those relationships that didn't work out, half couldn't retain their friendship after breaking up.

So the bottom line? As Savannah said, "it's high risk, high reward."