I was having a conversation with a director of an organisation the other day. She said to me, “Colin, I feel like I’m getting dumber in my old age.” And as we started to explore it, we discovered that she was actually breaking a few of the brain rules that help you function best in your organisation or in your business. So what I want to share with you right now are the 3 fundamental brain rules that you must be aware of to function at your highest performance. In the Productivity Academy, I talk about how you use your brain most effectively. These three brain rules are part of what makes up someone’s mindset around being effective and being productive. So I started to discuss the following rules with my executive client, and what we realised was that she was breaking a lot of them, here they are below: In other words, you need to be writing everything down. Your brain was not designed to be a filing cabinet. It was actually designed to be a calculator. What that means is