Although I've never been an atheist, there are periods when I struggled with the whole thing. As someone who uses words, you need to able to justify your belief with language, I'd have arguments and the atheist always won because he'd go back to logic. Belief in God is illogical, it's absurd. There's no debate. I feel it intuitively, it comes from the heart, a magical place. But I still I fluctuate from day to day. Sometimes I feel very close to the notion of God, other times I don't. I used to see that as a failure. Now I see it as a strength, especially compared to the more fanatical notions of what God is. I think doubt is an essential part of belief.