Consciousness still remains a riddle, thanks for the big and detailed comment of @julianoneill, I don't say that the secret will remain a secret, I believe that we can learn completely it and even to worry on the experience, more deep to use the mind, etc. therefore it is necessary to see these questions impartially and to study them, to research
And then it will become far simpler, and it is necessary to remember - almost all knowledge it is just theories, and theories can be close to the truth, but aren't it