This U.S. study says

Some people think that men were more money easily disturbed, but the United States, "University of Kansas," a recent study has pointed out, in fact, men in the face of economic downturn, as well as unemployment, environmental difficulties, it is easy to derail. The study explains that this may be because when the economic downturn, the men in the subconscious, will feel the chances of survival decrease, so will want to have sex with more women, to improve to stay ...This U.S. study says