You're asking me to summarize years of reflection and several near-death experiences into an internet message board comment, but I'll try to scrape the surface.
In short, I had lost all faith in the "official narrative" of creation/existence/whatever as taught in schools/society/etc. that I had grown up believing (growing up I'd have called myself atheist, then agnostic). You might call this an anti-science view, but I'd counter it is more scientific to reject a theory when it does not match observations than to keep it just because it's "the standard". Anyways, this put me on a path of not knowing anything to believe, which is to say any seemingly small flashback/thought/whatever could shatter whatever worldview I had been temporarily existing in and send me into a seizure.
This continued for some time until I began to be touched by what christians would call the Holy Spirit, which guided me towards preachers of the Gospels (aka "The Word", aka "Jesus Christ" (see John 1)). I began to see the innate truth presented by The Word, as I saw how my lived experiences were consistently in agreement with it. For one, I embraced prayer and observed the Father respond to it.
Basically, I built up a new worldview around The Word (Jesus Christ) and it has been unshakable, in stark contrast to all the attempts I had made to do the same without Jesus (Matthew 7:24-27 summarizes this well).