Opening up oneself to the intuitive possibilities brings with it the necessity of training oneself NOT to use it as a mental torturing device. At this point you are thinking, it is not a parallel life that she writes of here. Sorry to disappoint you, but fantasy lies totally in another place in the scheme of things. Fantasy is intense, yet fleeting. Fantasies, for the most part are temporary and ever-changing and generally of a sexual nature or of ego, as in becoming rich and famous.
Fantasy is a temporary escape.
Whereas, my sense of a parallel life has been with me always and gives me greater glimpses into it as I grow older. And from that feeling, there is no escape. It seems there should be an easier way to explore this notion. There are those who say drugs will give you enlightenment and expand your mind. I fail to see how trying to discover something within your mind can be accomplished if you then have to try to decipher it through a fog.