The moment of intense frustration when in comes crashing the realization that you cannot ever and will not ever read all of the things that you want to have read, while wanting, just as intensely, to be reading all of it, all at once, right then, as you walk through your library looking at the shelves and thinking of everything that might be related and that also should be there, on your shelves if not in your head.
Why is there not a word for that?