Number 6 – His age 

According to a new study published in Proceedings of the Natural Academy of Sciences, people turning an age that ends in ‘9’ are more likely to cheat on their partners.

Why? People turning 29, 39, 49, etc. tend to make major self- and life-altering choices as they approach a new decade.

In fact, of the eight million men registered on extramarital affair dating website, Ashley Madison*, more than 950 000 were ages 29, 39, 49, or 59 (Source:

Subscribe to our Free Daily All4Women Newsletter to enter

My thoughts: I don’t think you can lump everyone into this ‘-9’ box, BUT, one of my ex’s was 39 when he cheated on me. is a Canada-based online dating service and social networking service marketed to people who are married or in a committed relationship. Its slogan is “Life is short. Have an affair.” The website was launched in 2001. According to third-party web analytics provider SimilarWeb, the site has more than 124 million visits per month, as of 2015, and is ranked number 18 among ‘adult’ sites. (Source: Wikipedia)