If you want to find out more about Dianetics and Scientology, the best way to do this is to read an L. Ron Hubbard book on the subject. I personally recommend you read The Way to Happiness.
This book really helped me with being able to see that I wasn't truly happy with my life and there were changes that I needed to make. This book taught me how to improve my life by giving me simple rules for happy living which anyone can apply no matter how bad things may seem.