The show Obsessed (which I've only seen ads for until later tonight) seems to have sparked some controversy around here about CBT (cognitive-behavioral therapy). CBT is NOT the same thing as "flooding" which involves scaring a person suddenly and all at once. Flooding brings with it the risk that someone is re-traumatized in the process and there is no good evidence that it works long-term.
Please check out the articles on Diagnosis and Treatment in the Information and Research section of this website for a clearer view.