‘A sexual destiny mindset’ – and the other red flags of romantic chemistry

We're all looking for that elusive spark' - but what really ignites a long-lasting relationship? Science is closing in on the answers

For centuries, our romantic fates were thought to be written in the stars. Wealthy families would even pay fortunes to have a matchmaker foretell the success or failure of a potential marriage.

Despite the lack of any good evidence for its accuracy, astrology still thrives in many lifestyle magazines, while the more sceptical among us might hope to be guided by the algorithms of websites and dating apps.