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He stared at these things and considered them carefully, and always he reached no firm conclusions. Though he did decide, if you had to be dead for eighty minutes and come back with no memory of the Other Side, maybe it was because eighty minutes of that knowledge was more than just a glimpse of a tunnel with a light at the end, and therefore more than you could be expected to handle.

And if you had to bring something back with you from Beyond, and carry it within you until it had concluded its assignment on this side of the veil, an archangel wasn't too shabby.