If someone stays inside and depressed about life, they aren't producing kids. That's what I attributed to normal overcrowding conditions and nature keeping everyone alive. https://natural-fertility-info.com/does-stevia-cause-infertility.html#:~:text=In%20short%20it%20seems%20that,be%20used%20for%20contraceptive%20purposes. Btw - why does the media always say countries can't have a decline in population and survive? I liked it far better when there were less people.