They do it very gradually: from what I understand, the first time you meet them they use a device called an e-meter and take a fake "reading" and then give you

They do it very gradually: from what I understand, the first time you meet them they use a device called an e-meter and take a fake "reading" and then give you some common sense advice. They don't tell you about Xenu until 4 years later when you're estranged from all your friends and emptied your bank account. See: 1. boiling frog syndrome and 2. sunk cost fallacy.