I saw this fantastic article on BBC the other day, it look into the question of wether men are more unfaithful than women or if women are more unfaithful than men.

Here is a quick excerpt fromm the article:

Commonly quoted statistics suggest that more men are unfaithful to their partners than women. But how reliable are the figures and, if it takes two to tango, is it even mathematically possible?

On the face of it, the evidence does not look good for men.

The 2006 American General Social Survey found that nearly twice as many married men as women admitted to having had sexual relations with someone other than their spouse.

Read full article here: bbc.co.uk/news/magazine-18233843