lorna mccarthy feared for her life in the hours leading up to her death at the hands of barry mccarthy .
the couple , who were still sharing a home in gorleston-on-sea , norfolk , but sleeping in separate bedrooms .
but in the early hours of september , mrs mccarthy revealed she did not want to try to save the relationship , norwich crown court heard .
mccarthy pleaded not guilty to murder on the grounds of diminished responsibility .