When I was 13, it suddenly occurred to me one day that a god that knows the future is deterministic by nature, and that in turn makes all of life deterministic and eliminates the possibility of free will. I pushed this to the back of my mind as a minor inconvenience though, and continued to believe.
When I was 15, I decided I hadn’t been a very good Christian, because although I believed I had not invited a single friend to church. I didn’t like my church though, so instead I tried to convince a few of them of the truth of young-earth creationism. I came across a few difficulties, but pushed them to the back of my mind and continued to believe.
When I was 16, I got into a religious discussion with a friend who is an atheist, and I stated that the God hypothesis was totally consistent with facts. He asked me to construct the best argument I could. Over the next 3–4 months, I gradually remembered all the difficulties I had ignored over the years, and for the first time in my life I began to doubt what I had been taught.
When I was 17, I started university. I soon joined a Christian group and started meeting with them regularly. I found their understanding of religion to be somewhat shallow, but I continued going to church and this group in the hope that some, if not all, of my issues could be resolved. All this time, I kept reading and studying so whatever choice I eventually made would be an informed, considered choice. At times I would put more effort into studying religion than I would put into my schooling.
When I was 18, I realised that if there was a god who wanted a relationship with humans, they would likely make it blatantly obvious that they exist, and make the criteria of good/evil whether or not you agreed with them. This thought, along with mounting evidence for evolution over my now esoteric, convoluted interpretation of creationism, started to make scepticism appear to be a more feasible option. Over the next few months, I rapidly progressed to what can best be described as atheism.
While those are the most important facts of my story, I find it infinitely more difficult to articulate the overwhelming sense of relief I felt after the initial stress of telling my parents and wondering if it really was the right thing to do. It has now been almost a year and a half since I stopped going to church and have been calling myself an atheist for nearly as long, and I have never once regretted the change.