So true, Stimbo. This also means that it would be extremely hard to convince some people that their religious beliefs are false when that person centers their faith on an amazing experience, perhaps something they may have never even told someone. I know a Muslim man that had an experience like this, but he told me about it, and it's the reason he believes in Islam. I have never experienced anything that has made me want to deny God, I don't think I will in the future either, but if I do, you will all be the first to know, as I will surely stop in and tell you what situation "de-converted" me.
"And without faith it is impossible to please God, because anyone who comes to him must believe that he exists and that he rewards those who earnestly seek him." Hebrews 11:6