SaraCornelio_
In a student's dictionary, there aren't only words like success, motivation, and constancy. Have you ever heard about the so-called Student's Block? It consists of a mixture of the following cases: lack of motivation, difficulty starting studying, problems memorizing, forgetting what you studied, procrastination, neglecting study, and so on.
I have gone through this phase and I'm willing to share my experience. Remember that failing it's not a big deal, but neither taking your responsibilities nor working hard to improve is!
Since my biggest passion is psychology, I took the opportunity to STUDY my problems and find out how I learn and what study method could fit me. That's why you'll find psychology notes and explanations throughout the book!
I hope my experience will help you out :)