article_snippet: This formula produced by psychologist John Gottmann and mathematician James Murray predicts how positive or negative a wife and husband will be when a wife and husband respond in the next turn of a conversation. 
article_snippet: And if married, follow the 'positive' formula: This formula, devised by psychologist John Gottmann and mathematician James Murray predicts how positive or negative a wife and husband will be when a wife and husband respond in the next turn of a conversation.
article_snippet: And for those who are already married, maths can also be used to help predict whether those who are already married relationship will last by looking for patterns.
article_snippet: psychologist John Gottmann and mathematician James Murray produced a formula that looks at the mood of each partner when alone, together and how psychologist John Gottmann and mathematician James Murray influence each other.
article_snippet: This found that some couples often got into spirals of negativity that would ultimately lead to divorce.
highlights_snippet: And for people already married, a formula explains how to stay together .