 And a lot of people think that's why mental illness rates are skyrocketing around the world. So, you know, I think we're seeing – we might see more brain conditions. We might see more mental illness. We might see inflammatory conditions of the brain due to environmental, you know, exposures. But I don't think we're going to know if we're getting smarter or dumber anytime soon because something like that would take so many, you know, thousands of years to occur at a noticeable rate that I –