Impossible adaption: people who find a cat jumping on them repeatedly in the morning demanding food inconsistent with continued rest cannot, over any period of time, learn to sleep through it. It's true! My immune system is working hard on building up my resistance to violent cat assault, but so far has had precisely no success.
ELSEWHERE: I've discovered a really easy way to reduce your body mass index (BMI) figure - be a centimetre taller than you thought you were! It's like losing a kilogram, but doesn't require any sacrifice whatsoever.