Cohabiting has become the norm - 80 per cent of us cohabit before marrying. Since 2001, the number of cohabiting couples in the UK has risen dramatically from 2.1 million to 2.9 milli

Any interaction with a member of the opposite sex can bring a glow to a woman''s face, according to a new study.

Researchers at the University of St Andrews found contact with men - even