For proof of this argument, I highly recommend reading in today's WSJ the review of Christine Rosen's book "My Fundamentalist Education". This woman was taught that the world was created in 6 24 hour days, and that all the dinosaurs drowned in the Great Flood. Yet, she survived, and wrote a book about it.
I recommend you reading the book by son of Madalyn Murray O'Hair: My Life Without God. William J. Murray grew up in a "family" free from religion, yet he survived it too.