The same researchers who assess that we have up to sixty thousand thoughts a day also assess that up to 80 percent of those thoughts can be negative and repetitive.53 That would mean that forty-eight thousand negative thoughts come crashing into your brain every single day of your life. You may be aware of only half a dozen of them. Maybe that would be a great exercise in self-awareness. Take a moment and write down every negative thought that comes to mind. Then write down every positive thought that holds your attention. Which seem to most naturally come to the surface for you?