Feeling Stupid

This is something I've experienced a lot in the past; brain fog. If you don't know what that is, it's basically when your brain doesn't remember things, you can't concentrate, lose track of thought. That kinda thing. Today is one of those days. I'm on the berg of tears right now because I'm trying to study for psychology and do the homework, but I just don't understand what it's asking. I have to fill in the blanks on the page. Easy enough right? It just doesn't make sense to me; no matter what I put in the empty space. I've ended up putting like 7 words in the empty boxes to try and make it make sense. When I go in lesson on Friday, I'm just going to pray she doesn't pick me. Brain fog is a bitch. That's all it is. A huge bitch that tries to ruin your day and make you feel stupid. Thats the thing! It makes me feel so stupid and belittles me; I'm not going to be big-headed and say I'm super smart. I am quite clever, not A* student, but not D grade either. So when I'm given work on something I do understand but don't understand the work itself when the question itself it quite straight forward, it makes me feel terrible about myself. I don't know if this is normal or not (I kinda hope it is if I'm honest). This is something that I'm definitely going to have to work on.