The relationship between chocolate and sex

Food of love
Feb 14th 2008
From Economist.com

ON VALENTINE'S DAY the relationship between chocolate and sex becomes, at least for gentlemen considering the ideal gift, less a matter of theoretical musing and one of stark practicality. Will a box of chocolates do the trick? In some parts of Europe sex and chocolate go hand in hand, though a causal link is unclear. Mediterranean lovers tend to have as much sex but less chocolate—perhaps hotter weather has a bearing on both. The Japanese have precious little of either.