What is love? Popular culture bombards us with notions of the intoxicating capacities of love or of beguiling women who can bewitch or heal—to the point that it is easy to believe that such images are timeless and universal. Not so, argues Laine Doggett in Love Cures . Aspects of love that are expressed in popular music—such as “love is a drug,” “sexual healing,” and “love potion number nine”—trace deep...