PETER BARHAM left home when Debbie was nine months old. An absentee father, he didn’t know his daughter well until she turned up on his doorstep one summer’s evening. Weighing little over five stone, Debbie said, ‘My life’s a mess. All of it. Please sort me out.’ For nine months Peter and his wife gave Debbie round-the-clock care but her desire for independence finally took her back to London and the life which, only three years later, destroyed her.