DISCOVERED: Why husband lost interest in Sex..
By: Team Ifairer | Posted: 19-02-2014
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"Male species has evolved maternal instincts which are somewhat unique to us compared with our closest relatives," explained Lee Gettler, a researcher at Notre Dame University located near South Bend, Indiana.
However, these changes does not affect a new dad's masculinity, Gettler was quoted as saying in media reports.