Couples are using aphrodisiac chocolates to 'spice up' date night, and many have been left satisfied with the results. An average-looking box of chocolates has racked up five-star reviews on Amazon, as people gobble them up in an effort to boost their sex lives. "They are not just about taste, they pack a very big secret," one review reads. "Under the silky, smooth chocolate hearts is a magical combination to make you ready for anything. "I was unsure that this would do as it says.