The study where I got the statistics about men being more likely to cheat was based on a sample size of 2,750 people conducted by a PhD researcher that has been studying gender (namely masculinity) and work for two decades. But sure, yeah, I bet it's because the wife won't have sex with him until he gets a raise. Sure.

Please stop treating any research about gender relationships where women are not evil as though they were conducted through a QR code in the back of Cosmo.