There has been suspicion about the role of the hormone vasopressin affecting monogamy in humans ever since high doses were observed to change normally promiscuous prarie voles into strictly monogomous mates. Now, it seems that genetics in men determines how strongly each of us responds to this effect of vasopressin, determining whether we show serious commitment-phobia or devotedness. One specific gene in particular, labeled RS3 334, was linked directly to "couple bonding."Subjects with multiple copies of this gene showed greater likelihood of having marital crisis or being unmarried.
It sounds as if in the not too distant future, women could tell whether a man is huband material just by taking a peek at his genome.
Careful where you leave your DNA fellas, for a couple weeks pay she could take it to the lab and label you a cheat.
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