We always have to get to the effect. So let's put a couple layers of a maple syrup of learning on top of what we have already found out. So having the plague isn't bad enough. Having the sanitary conditions of Europe is probably going to make it much, much worse. There's no sewer system. They did it in ancient civilizations, but they don't have it in Europe really up to the 1800s. So they're dumping their waste, their human waste into the streets.