"This is the video Kevin was referring to at <a href=""https://www.youtube.com/watch?v=3pvpNKUPbIY&amp;t=1h51m40s"">1:51:40</a> where Elon Musk says his workload is hurting his heart and his brain. <a href=""https://www.youtube.com/watch?v=tRb6kQE7uYc"">https://www.youtube.com/watch?v=tRb6kQE7uYc</a>"