they said he was the chosen one... but he cannot remember all the revelations they told him because they erased a lot of his memory of the experience.

but he does remember being... "Strapped down to my bed, feet cold and eyes red, I'm out of my head, am I alive am I dead, can't remember what they said god damn shit the bed."

Patient was strapped down on their observation table... and the whole experience was so terrifying that he shit himself on their table... (or "bed")