I've been made fun of because I take notes on my notes. Once I fill a notebook up, I read through it all, write on the cover what's in that notebook and the dates, and then I have a new notebook that I write in all the great golden nuggets that I've learned and taken notes on so I don't forget them, it's a continual process and sometimes I don't learn right away, so I end up taking notes on my notes on my notes, etc... I learned from my high school shop teacher that "The dullest pencil is better than the sharpest mind". As much as I get harassed for this, people marvel at how I can remember certain things. But the truth is I don't initially remember at all, but the repetition of rereading my notes has made all the difference.