i need something to help me get focused

i cant concentrate!!! my mind is all over the place. i cant get it to focus!!! agh!!!! this is so bloody frustrating!!! sigh. only 5 more days to the bloody exams and i cant concentrate! i'm at the brink of crying. i want my daddy!!! the thing is. i really dont know what to stuy for biology. is there even anything to study for?!!! is it just me or did we even get notes for mutation and protein synthesis?!! oh dear me. maybe i'll just pass trying to study tonight. >.<