Don't waste your time here. PZ's website has 35 pages of what he calls "Atheism and Skepticism, Testimonial". Please click the link and don't come back here until you finish reading the whole thing.

https://freethoughtblogs.com/pharyngula/category/testimonial/

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Here is one of them. It's very interesting.

Why I am an atheist – Ravel

I never got the man in the sky. I was brought up in an ultra Reform Jewish home, with holidays celebrated at home in English, and no formal religious training after I was about 8. I read the stories, but my connection to Judaism was cultural (food, some major holidays, know you’re Jewish in case there’s another Hitler, etc.), rather than religious. I learned about science and mythology when I was quite young, and couldn’t understand what all the fuss was about. I was interested in science and math; my earliest books were about science, and my favorite “toy” was a chemistry set. I thought myths were kind of interesting and amusing stories, but not something to be believed. Sometime in junior high school (grades 7-9 when I was there), I came across the aphorism “Man created God in his own image.” That made sense to me. I never gave it any more thought.

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This is my story:

I was a brainwashed Catholic. At age 18 I was still going to church. Then on two Sundays in a row, the pastor spent the entire sermon explaining why we needed to contribute more money to the wealthy Vatican. I then realized the Catholic Church is not a religion. It's a business and the customers are suckers. I never wasted my time there again.

It took me a few years to completely throw out the brainwashing. These days I'm a hardcore atheist and anti-theist.