Hello,
It is an ongoing process really but after having listened to all the tapes I thought there wre enough exercises to become familiar with the technique. I listened to the tapes over the course of about a week. I have to say when I got them 8 years ago I really didn't have the same results. I didn't think it was working for me at all.
I think the reason it worked better this time was because I allowed myself not to be great at it initially and gave myself the freedom to get better.
Hope that helps,
D.xx