This weekend, cryptocurrencies have been sold off so fiercely by Wall Street, it seems that the US stock market will still plummet on weekdays. Everyone, get your chairs ready to witness the miracle of circuit breakers together. From now on, having money doesn't matter; in a few years, with wars breaking out around the world, having life is what matters. Let's head back to the countryside and tidy up the old house; it's better to be prepared.