feel tired....

why? wei shenme? kenape? as student i know exam is compulsory... but why must my paper is straight for 3 days.. it makes me crazy k.. "i drive myself crazy~ i drive myself crazy thinking of u~" hahahah... yasterday i done my paper well (eco) but for today n tomorrow i don't know yet... b'coz i don't prepare for today n tomorrow paper... ergh!!! i feel tired.. sometimes i wonder why people love to continue their study... is it for get good job or b'coz they love study... herm??