And bad usage poisons it.

John says you can't take a stick and strike a cow across the back, without her milk being that much worse, and as for drinking the milk that comes from a cow that isn't kept clean, you'd better throw it away and drink water.

When I was in Chicago, my sister-in-law kept complaining to her milkman about what she called the 'cowy' smell to her milk.

'It's the animal odor, ma'am,' he said, 'and it can't be helped.

All milk smells like that.' 'It's dirt,' I said, when she asked my opinion about it.