If you've ever felt there was something holding you back in life, you were right. It's called the subconscious, unconscious or reactive mind the hidden part of your mind that stores painful experiences, then uses them ag...If you've ever felt there was something holding you back in life, you were right. It's called the subconscious, unconscious or reactive mind the hidden part of your mind that stores painful experiences, then uses them against you. Dianetics: the modern science of mental health, the New York times and international bestseller, shows you how to get rid of the reactive mind for a happier, healthier life.