I'm sorry I didn't see this post about Joyspring earlier. Skeptical, if your wife has done this training, I hope she's OK.
In the 1980s I did a number of LGATs in Cape Town. First the I Am training, then a couple of others that were either single day sessions or an evening a week for a few weeks, then Joyspring. This was over a couple of years. I remember Pat Grove quite clearl
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Large Group Awareness Training, "Human Potential"