Grab a copy of this book and, most importantly, read it! I mentioned aphasia, you can learn more about it here - https://www.mayoclinic.org/diseases-conditions/aphasia/symptoms-causes/syc-20369518. Also, Feeling’s Mik Aidt recently interviewed Mark and you can hear that here - https://climatesafety.info/wp-content/uploads/2023/08/TheClimateRevolution005.mp3