Love's labour
Karina Golubenko

Labour of Love: The Invention of Dating. By Moira Weigel. Farrar, Straus & Giroux; 292 pages; $26. UNTIL the start of the 20th century, the rules of courtship were fairly straightforward. Male suitors called on eligible women under the watchful eyes of concerned adults. Keen chaps visited regularly and with the intent to marry.