If you have to read to cheer yourself up, read biographies of writers who went insane.
"Ten rules for writing fiction (part two)" by Hilary Mantel, Michael Moorcock, Michael Morpurgo, Andrew Motion, Joyce Carol Oates, Annie Proulx, Philip Pullman, Ian Rankin, Will Self, Helen Simpson, Zadie Smith, Colm Tóibín, Rose Tremain, Sarah Waters, Jeanette Winterson, www.theguardian.com. February 19, 2010.
