If only you could know someone was going to cheat before they did it – a tell-tale sign or a magic formula to dictate the likelihood of faithfulness (and allow you to dodge a bullet). Well, now researchers suggest they might have found a clue.

A study of men – who’d been in a relationship for six months or longer – conducted by a team at Oakland University in California, led by social scientist Gavin Vance, concluded that a particular type of intelligence was linked with a better romantic life. This intelligence involves fluid reasoning or identifying sequences.

The study was admittedly small – 202 men – and how much can a test really tell you about how someone will behave when faced with all the intricacies of life and love?

The i Paper has asked four male writers whether they r

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