All things considered, I am not very good at reading.
Let me elaborate on that. Most of my learning, throughout my life, has been based upon reading texts. Recently, while trying to wrap my head around complicated geometric notions written in texts without pictures, I realized that I was pretty horrible at understanding concepts without pictures. Soon, I began making pictures for everything, and it seemed to help in a lot of areas that I thought I could never understand. Including in my own mathematical research.
One field that I could never really understand that well before is Economics. Today, I spent some time reading a glossary of economic concepts and coming up with pictorial representations for all of them: