We looked at the reviews for six different books around dealing with a diction, 12 step programs. One of the line that stood out was if you think you need re have, you do. We tested it against two other headlines and three testimonial headline headings. The home page headline got 400% more clicks on the next page than its control version. That's 26%. Not a single thing changed over there to get this result. So we're just going to plaster that everywhere, because therre fake reviews out there,. You have to filter through those, and triangulate what people are saying.