For me, environmental factors are too great. We can see it just in watching people who grow up in certain areas. Environment has a huge effect on our development and decision making. Beyond that our nature just comes from a long line of action and consequence all the way back to the big bang. Sure I can self-reflect and make changes or improvements to myself. I can decide to do something different and crazy, but did I? I can't know I need to change or should change or want to change unless I've encountered information to convince me of that. You cant know what you don't know and haven't been exposed too. Cause and effect are too great of factors in my reality to pick a side on free will. I lean toward no, though. The part I struggle with is the mind and the idea that all consciousness is God. Therefore God i.e. You and I have already predetermined this or are creating this reality as we go. It twists my mind.