The song "Some Enchanted Evening" from Rodgers and Hammerstein’s South Pacific warns us that, when it comes to explaining love at first sight, "Fools give you reasons. Wise men never try." Notwithstanding this lyrical warning, more and more psychologists are trying to solve this age-old mystery. According to a recent survey, almost two out of three Americans believe in love at first sight ( Naumann, 2001 ). The survey reported that over half of them have actually experienced it, and over half of those went on to marry the person they had instantly fallen in love with. The concept of love at...