It seems that if your girlfriend or wife is better friends with your friends than you are, you may have more problems on your hands than just a rocky relationship. There is now evidence that there is an association between erectile dysfunction (ED) in heterosexual men and strong relationships that may exist between their partners and their male friends. Benjamin Cornwell, a professor of sociology at Cornell University and Edward Laumann, a professor of sociology at the University of Chicago, describe the situation as "partner betweennes...

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