Nothing in the world is more taken for granted than money -- our only concern is whether we have enough of it, not whether it will work at all. Nobody puts in ten hours of overtime and spends the whole time praying that by payday the grocery store will still accept the currency ... despite the fact that this exact situation has played out again and again. Money is a fragile thing, vulnerable to a whole lot of societal factors that you have no control over whatsoever. Which is why sometimes things just go completely insane ...