Reading is the best way to learn about most things. With some crafts, I would say hands-on experience is equally if not more valuable, but you still need to know some theory before you can practice.
There's a few that have created tulpas without knowing about tulpas and without guides, but in this case you should certainly be informed on such a life-changing decision.
She knew what the question was going to be, because we share a brain. I make it a point to intend for us to share this space, and not separate it in any artificial way.