“So why did the voice of evil choose Mum as its vessel? Was she born with a genetic predisposition, or was her madness learnt? Did she allow it to take hold of a malrotated genome – a disease with no toxic chemicals to kill it – or was it instilled in her mind by an outside force? Were there parental influences conditioning the mind? Just as Pavlov trained his dogs to salivate at the ring of a bell, did Mum learn to listen to the voice that permeated her thoughts, allowing that voice to control her actions? If there is a history of tormented minds in a family, then does genetics win the argument?”