Meet Harold...

[sawyl]

When they go to the canteen for breakfast, my sister's colleagues all go for NHS porridge or low fat yogurt. My sister, on the other hand, goes for a huge cooked breakfast. Envious of her ability to eat like a horse without gaining weight, her medically minded friends have come to an obvious conclusion: she's got a tape worm. Called Harold.

So now, when they eat together, they always ask her, "Is Harold hungry today?", and, "What would Harold like to eat?" To which she replies, "Yes, Harold is always hungry", and, "Harold will eat anything that he's given..."