Back when they actually responded to letters that we wrote, I wrote in about several doctrinal issues over the years, including blood fractions and the fact that the dates in the new Isaiah's Prophecy book just didn't add up.
When I heard the overlapping generation teaching at the District Convention, my first thought was, "That's crap!" I was also dealing with a very difficult family situation, the harshness of disfellowshipping and shunning family members, together with the hypocrisy of the elders at the same time.
The cognitive dissonance nearly killed me. I ended up in the emergency room due to over medication for severe clinical depression and PTSD. I was losing my mind. I knew I just couldn't do it anymore. I chose life with my family who had all left the organization over the hope of living forever in Paradise Earth alone without them.
I walked away after 42 years. The overlapping generation teaching was my tipping point doctrinally, but it took something highly personal to break through the indoctrination.