Aristotle's Poetics

I have read this at least 3 or 4 times in the last 3 years that I've been at MSU and yet I cannot retain the information!! This is really frustrating because that means every time it's assigned I actually have to reread it, which is frustrating, especially if it's only a month previous. But I guess in a twisted way I get to read it for the first time every time, which is what I long for in other stories. I wish that I could go back and reread the Harry Potter books or Twilight for the first time and re-feel the raw emotion I felt. But alas, it is only for The Poetics.