My mum is dead. That is absolutely certain. I saw her body in the coffin. Like a waxwork it was. It wasn’t her. It was like an empty shell. She’d gone and she was never coming back. I saw the lid closed down. I saw the coffin get lowered into the grave. And I saw it the next day when the gravediggers had put all the earth back in and it was a piece of ground again, only this time with a coffin-si…