Gradually, over weeks or months, you add partnered activities. The program works much better for men in stable partnerships, but that doesn't mean the partner is involved every step of the way.
So no, I didn't mean to imply that the anorgasmic girls' club ought to nail up a permanent "No boyz allowed" sign, and of course I think it would be silly and almost certainly destructive to embark on such a program without fully informing any partners first. But if the problem is compounded of various parts self-consciousness, bad messages, fear of judgment, and just plain fear, then no, I don't think taking one's very first, faltering steps toward sexual self-confidence in front of an audience is necessarily the best idea.
Andrea is home with the kids and going stir-crazy. Write her a letter! Ask her a question! Send her your tedious e-mail forwards! On second thought, don't do that. Just ask her a question.