I don't think I can say that I 'turned' Agnostic. It's more like once I really understood that our personal belief system is a CHOICE, Agnosticism is what suits me best - for now.
For a while, I wanted to be Atheistic, but there were too many things that didn't quite jive in my mind. Too many coincidences that made me think (or want to believe) that there is some short of energy out there that might somehow equate to a superior-type energy. Thus, Agnosticism felt like a better fit for me than Atheism.
And it still does.
Occasionally, I feel an interest in attending a church - just for the symbolisms and traditions. There was a basic comfort in attending (4 or 5 times in the past 8 years) but nothing that spurs me to return. The most rewarding visit was when I went to a Christmas service that a JWN poster was performing in. That was very nice. The others were less captivating.
So Agnosticism still feels like a good fit for me. At least for now.
-Aude Sapere (meaning: Dare to Know; Dare to Have Widsom/Understanding; Dare to Think for Yourself)
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EDIT TO ADD: Another BIG reason Agnosticism suits me just fine - for now - is because I just plain don't care what may or may not be "up there". I spent a couple of my best years believing I was serving the one and only true god. As it turns out, I was in a high-control group, serving as a free slave-laborer for a publishing company that was masquerading as a religion.
If there *is* a god up there, then he knows the spiritual abuse I've endured. And he would see and understand the good in my heart.
If there *is* a god up there, he should have made the 'truth' abundantly clear - with no room for mis-interpretation and subsequent abuse.
If there *is* a god up there, and this life that we have here on earth is a gift from him, then I've squandered several decades of my life and have not been cherishing that gift by living and enjoying the gift to the fullest potential. I cannot afford to squander any more of my life. I have absolutely zero interest in hypothetical religious discussions and arguments.
Formal religion and 'god' discussions just do not interest/matter to me anymore.
Although I consider my Agnostic, I also consider myself much more spiritually-inclined than when I was religious. Witnesses seem to view 'spirituality' as something measurable by others. I believe that true spirituality is something that drives your being, it's the driving force within a person, the motive behind their actions, not the actions and activities themselves. Certainly not an activity that is done just for the purpose of showing other(s) how godly someone is.
Rather, it's the driving force that moves you do something (anything) just because it is the good and right thing to do. Even if noone ever sees it or knows about it. That's my idea of spiritual. It's more cosmic, yin-yang, something along those lines. I probably should read a few books on the subject of spirituality, but not all that motivated to do so right now.
I'm actually quite comfortable with where I am with my own personal beliefs. No need for labels, but if I must pick one, Agnostic is just fine for me. At least for now.