You are your brain and your brain is you. You are a product of genes and environment and the greater part of this product (you) is stored in brain programs or apps. Most of your life, you are on automatic and these apps run you.
To change your life you have to delete or edit some of these brain programs and create new programs. This is what personal development or life change is about. Fortunately through neuroscience, we now know that at any age you can change your brain, solve problems and change your life.