When you break a bone in your body from a part which had never given you any sensation throughout your life and whose existence was merely implied by its basic function, suddenly as it brakes and gives such immense pain That pain is processed in your brain which it identifies the source and as it does, it recognises the existence of that bone..
But if the pain is out of an emotion, as your brain tries to figure out the source and nature of the source, you realise how less even your brain knows about you. And as your brain starts to delve into this part of you, as it tries to see you, you give it an image of yourself. It can be an honest image if you have the courage to see the truth.. or just a bunch of lies - and it depends on how honest your insight is, and how painful the truth is..