Renowned psychologists John and Julie Gottman have interviewed 40,000 couples ... They discovered this during a longitudinal study during which they asked couples to try to resolve a disagreement ...

Many believe that the reason why this is such a strong warning sign of a bad marriage is that it signals major lifestyle ...

"In a good marriage the opposite was the case." An earlier study found that couples in good ... process that is really well-documented," says Gottman. "People really go through [physical] grief ...