Property may be destroyed and money may lose its purchasing power; but, character, health, knowledge and good judgement will always be in demand under all conditions.
Children are a house's enemy. They don't mean to be - they just can't help it. It's their enthusiasm, their energy, their naturally destructive tendencies.
I keep fit, I work out, I eat pretty damn well, I don't drink like a fish, and all of those things are tempered with a holistic mind-set that you need to damn well respect the vehicle that you're walking around in.