If the Man is Financially Dependent on the Woman
From 2001 to 2007, Christin Munsch, a sociology PhD candidate at Cornell University, studied behaviors in heterosexual relationships and the factors that affect fidelity. Within that, she found that men who tended to depend on their female counterpart financially tended to be prone to stepping out on their mates.
Not all under-earning men tended to cheat. Only those who weren’t on the same education, religious, and social status as their mates.
The correlation seemed that the men were more unhappy in a relationship where the women held the reigns, money-wise, sought to find happiness outside. Their earning potential was directly correlated to their masculinity. Where as…