Tea

He stood waiting for the kettle to boil. He'd already thrown a teabag and two teaspoons of sugar into his mug. He poured in a dash of milk.
The back door crashed open.
"What the...?"
A burly man in what looked like a leather policeman's uniform handed him a business card.
"Adding the milk before the water. Very serious offence," he said. "This is your first warning."
The burly man turned and left leaving the other man holding the card marked TEA POLICE.