Totally agree, before I got out mentally, I had the wish more and more to dig deeper, having real spiritual discussions and achieving full understanding of JW teachings. I could Always easily explain 2520 years, was my favourite subject when conducting bible studies (it left the Student Always puzzled anyhow).
It was my effort to understand the blood doctrine, About Major and minor components, that opened the crack slowly. later on, the article Sept 2007 KMS (qouted earleir) was my next shake up.
It ended up Living as a PIMO, not being able to leave yet because if Family.
My wife is the opposite example, she always had problems explaining deeper Things, mainly because she didn`t take the time to study it. She fortunately agrees on some of my critical views, but since doctrine never was the most important issue, she is not ready to leave, and thinks, Jah will fix it in due time, and of course, where else shall we go