Welcome, mews! I'm very sorry to hear about your broken relationship.
First of all, please break up your paragraphs into much smaller pieces. Just a few lines at a time. It is very difficult to read chunks of text online.
Second, I am a woman and I have subscriptions to GQ and Details. I feel it's important to know what the other side is up to, and guys I date seem to appreciate that. Also, when I have friends over, both men and women, they have some light reading to take to the bathroom. Your ex was being ridiculous. Or more accurately, mind controlled.
The links Sparky gave you are excellent. I'd also suggest renting the old version of the Stepford Wives, just for fun and horror. It'll show you what kind of woman Sterling hopes to achieve.
When you date a person, you date the entire person, negative and positive. Anyone who wants you to see only the "good" side is probably unable to really connect with another person, and that's what these groups want.
Leaders of these groups want to be the central connection in a member's life. The self-improvement and personal growth stuff is a sham, a diversion, "content" as the Anticult would call it, to distract members from what's really going on-- mind control, manipulation and the extraction of money from unsuspecting followers.
If someone outside the group is more important to a member than the group itself, that member and his money will drift away. That's the reason so many groups inculcate beliefs that disrupt real relationships and make them impossible to maintain.
The beliefs cement the member to the group. Anyone who wants to be intimate with a follower eventually has to join the group or leave the follower. As you yourself have, sadly, experienced.
In addition to the excellent links Sparky provided, I'd recommend learning about mind control and thought reform in general. The new words your ex was using reflect something called "Loaded Language" which is very important in the process of creating a cultic relationship.
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www.culteducation.com]