Singer's marriage was based on sex
                                
                                
                                    (Newser) -
                                    Troubled singer Amy Winehouse says her, er, rock-steady marriage is over, News of the World reports. Blake Fielder-Civil has left Winehouse for a German model, and anyway, “We were only together for sex.” The drug-addled star gave friends the gory details of the pair’s sex life, which...