"But honey, the science is rock solid..."

This came from The Week, offering a slightly different take on what I posted the other day on the subject:

“Men who are wired to cheat”

Two out of five men have a gene that makes them more likely to cheat, says a new study. All men come equipped with a gene that regulates vasopressin, a hormone that helps people form bonds with one another. (The hormone has a greater impact on men.) In a study of 1,000 men, Swedish researchers found a variant in this gene, which changes the way a man reacts to vasopressin, reduces his inclination to bond—and increases the likelihood that he’ll cheat. Men with the “cheater” variant were less likely to be married, and of those who were, a much higher percentage reported recent marital problems. These men’s wives described them as difficult to get along with and emotionally unavailable. Since 40 percent of men apparently have the cheater gene, should women be testing their current and future husbands’ DNA? Biological anthropologist Helen Fisher tells The Washington Post that such men can overcome the influence of their genes, but only if they make a conscious effort to do so. “No one is saying biology is destiny,” she says. “But I might not start a joint bank account with them for the first few years.”