You got A’s because you studied or because the classes were easy. You got a B probably because you were so used to understanding things that you didn’t know how to deal with something that didn’t come so easily. I’m guessing that early on you built the cognitive and intellectual tools to rapidly acquire and process new information, but that you’ve relied on those tools so much you never really developed a good set of tools for what to do when those failed. This is what happened to me, but I didn’t figure it out until after I got crushed by my first semester of college. I need to ask you, has anyone ever taken the time to teach you how to study? And separately, have you learned how to study on your own in the absence of a teacher or curriculum? These are the most valuable tools you can acquire because they are the tools you will use to develop more powerful and more insightful tools. It only snowballs from there…