midnight
`` It is n't anything to do with our times particularly . People think it is , but they are wrong . It 's to do with adolescence . Long before religion and Society heard of Doubt , girls were all for midnight coaches and Gretna Green . It 's a sort of home-leaving instinct . '' He followed up a line of thought . `` There 's another instinct , too , '' he went on , `` in a state of suppression , unless I 'm very much mistaken ; a child-expelling instinct ... .