Until I had kids, i didn't feel controlled. I was able to get by without being in line with all the teachings. All I had to do was lie and that didn't bother my conscience. My logic was : Don't expect the truth while threatening me.
Then I had kids, and I was expected to teach them what the GB teaches, not what I personally believed. If I didn't, they could eventually grow up, rat me out to the elders and shun me on the basis of apostasy (I've seen it happen). That's when I realized that to stay a JW, I had to give that control over to the GB and lie to my kids as well. I could not; not to my own family. So I left. That was the end of it.
Now that I look back, they had a huge control over me over the years. I never was fully in control of my own life. Even now, they still control some part of it through my relatives (ex: I can't put up Christmas lights on my house). The difference is that now, it is not unhealthy.