″‘It’s the only way to get rid of nits,’ said Dad. ‘But it never works!’ screamed Henry. And he ran for the door. Mum and Dad grabbed him. Then they dragged him kicking and screaming to the bathroom. ‘Nits are living creatures,’ howled Henry. ‘Why kill them.’ ‘Because...’ said Mum. ‘Because...because... they’re blood-sucking nits,’ said Dad. Blood-sucking. Henry had never thought of that. ”