I was born in - and considered a "true believer." That being said, I had many questions throughout my life - however, at the time I did not realize these were questions. In retrospect, my questions should have woken me up - but did not.
One takeaway as someone "raised in the truth:" I was always highly embarrassed by my religion. I cannot think of a time in all my life that I was not embarrassed by being a JW. That is actually quite sad. My embarrassment created guilt that I struggled with.