spending 4 days on one lecture notes...

sorry i haven't been online tt much and i've been MIA-ing... (apart from maple) but i juz spend 4 days on juz one lecture note... i'm going to be driven crazy by the neurobio... i'm convinced tt it is out to spoil the neurons in my brain... 304 is out to spoil my eyes... and 305 exist juz to make me slp... hai... why oh why do i get such lecturers and modules??? hai...