I think it depends on what it is that you really want to do. If PR is what you want, then do that. There are 5 steps to the system, and each person experiences them differently. The meditative part maybe hard for some but easy for some others. For many, it's learning to activate that takes work. So, How are we going to "prepare"? Without having tried it and find out where the difficulties are, if any.
And if meditation is what you really want, then do that. 
Helena
