Many love customs revolve around the use of Basil. In Moldavian folklore, a man is destined to fall in love with a woman if he accepts a sprig of basil from her. In Romania, an engagement is marked by passing a twig of basil and in Mexico, keeping basil leaves in one's pockets ensure that a loved one will return their love forever. In the medieval days, it was believed that the scent of Basil would drive men wild, so women would in turn dust their breasts with dried basil.
Besides it's tradition and scent, Basil also helps promote circulation and is believed to stimulate sex drive by increasing your heart rate.