I have been through Retro. 1/09 I wasn't in the right place for it. (felt like I had another thing to do) I am using the techniques now though and it is having a positive effect on my interactions w/ W.
As far as approaching her: Do what ever you can to get her there. It was an extremely powerful moment in my life.
IMHO the less you know about Retro the more powerful it will be.
Just my .02
"The first step in the acquisition of wisdom is silence, the second listening, the third memory, the fourth practice, the fifth teaching others." Solomon Ibn Gabriol