Scientists never lose the hope of understanding relationships at least a little. For example, what should the difference in age between lovers be in order to prevent break up. The Economist columnist Zumaia Keynes devoted a whole column to the calculations.

Credit: Freepik

Credit: Freepik

She starts from the philistine formula "divide the senior partner's age by two and add seven", which shows that if you are 22, and your sweetheart is 18, that is normal, but if people are 38 and 23 years old, their relationship will not be successful.

Credit: Freepik

Credit: Freepik

If the youngest in the pair is 26, that is again normal. The columnist is not satisfied with these sorcery combinations, and she gives the statistics from a dating sites as an example to find out how things are in practice.

If women usually look for a peer or a man for a year or two older on the site, then men, regardless of their age, prefer girls about 20 or a little older. Of course, not all, but the biggest part of them. So, there is the quarrel - how two people can live together who see even football player, Ronaldo in different ways.

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Credit: Freepik

Credit: Freepik

From an economic point of view, living with a peer is beneficial. As for the strength of the union, a study on this topic published in 2014 showed that marriages with a difference of spouses in five years fall apart by 18% more often than peer unions.

Credit: Freepik

Credit: Freepik

This percentage of the risk of break ups increases with the difference: 10 years - 39%, 20 years - 95%. Optimal American researchers from the University of Emory named the difference in one year to be the best for a successful relationship.

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At the same time, scientists from the University of Stockholm observing a group of people over 50 came to the conclusion that men who are married to young women live longer than those who are married to women of the same age.

Credit: Freepik

Credit: Freepik

It is all simple: those who were originally stronger and healthier, would be more attractive to younger partners over the years. The conclusion that the author of this article makes is not scientific at all, but very comforting: live with someone whom you like, and do not try to calculate the relationship - it still will not work.

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