It's because it's meant to reflected upon and although it does everything to facilitate the reflection, it's near impossible to understand all that it tells you to reflect about in one iteration.
You bring mathematics, well, in Math, I had to practice and re-read explanations, and even then, when exam was close, I re-read it all.
You bring mathematics, well, in Math, I had to practice and re-read explanations, and even then, when exam was close, I re-read it all.