If it鈥檚 been de rigueur for men to have mistresses throughout history, then why are there so many literary examples going the other way: of married women having affairs with men - Madame Bovary and Anna Karenina being just two examples? Ronan McDonald lectures in English at Reading University, and Hermione Lee is Professor of English at New College, Oxford. They join Jenni to explore literary love triangles from Greek myth to contemporary fiction.