Old Belief System !

I do understand the goal of power thiking and what results that suppose to be aquire by me but, my life has been frame in being the accoutable workoholic and my issue is to fully learn how to protect myself with a new way of thnking and it like my new way of thinking is not verify by me yet because, my belief system saying t me to prove the facts and it nobody to prove the facts on and my new information of thinking is not revealing the source of the change. How do i feel the growth of my changing belief system because , i had always had to prove the ideal