Thinking Two Things at the Same Time?

"I don't know how the brain works. I'm just a dude on the Internet who's made a video about brains," he says. "It is 10 times terrifying when say like, you do a podcast for a living because you have to come like face-to-face with the concept of one of the core things that you do for a living,. You fundamentally have no idea how you do it." He adds: "Even when you think you're thinking about talking, like you don't know where those thoughts are".