People are either likely to be faithful or to play away, but to find out which camp you fall into all you have to do is look at your hands.
The clue that reveals a cheater lies in the length of your index finger.
According to a study from Oxford University’s Department of Experimental Psychology and Northumbria University, men and women generally fall into one of two groups: those who like short-term steamy flings and those who prefer long-term love.
In the study 575 people from North America and the UK opened up about their feelings on “non-committal” sex.
Researchers also looked at photocopies of 1,314 British men and women to measure the length of both their index finger and ring finger.
They found that the shorter a person’s index finger is in relation to their ring finger (also known as the 2D:4D ratio) the more promiscuous they’re likely to be.
One group had ring fingers much longer than their index fingers – suggesting that they’re more likely to cheat.
The other group had fingers which were similar in length meaning they’re more likely to stay faithful and enjoy long-term relationships.
The trend was found in both men and women, although the differences are “subtle” and “only visible when we look at large groups of people”.
Finger size is determined by how much testosterone you’re exposed to when you’re in the womb.
Professor Robin Dunbar, from Oxford University, told The Telegraph: “Human behaviour is influenced by many factors, such as the environment and life experience and what happens in the womb might only have a modest effect on something as complex as sexual relationships.”
