I am sure you are familiar with the method of writing notes for your future self. These are pieces of advice that you write on a paper, and put them away to remind yourself later. These are your promises to yourself, and your dreams that you want to fulfill.
The phenomenon I want to talk about is something similar, but it happens on a much deeper level. This is unconscious, and it defines your whole destiny. Your destiny leads you to your final destination: yourself. But to find yourself, first you have the learn the lessons about who you are, and who you are not.