i feel i really lost now..

i think got very long time didnt update this blog d.. about 1 year..next week is my final exam...when the Final exam coming soon my mine will start think alot of negative thing..i am very scared now.. i really scare failed the exam..i think is every people when face the final exam will stress and scare ...anyway when Final exam coming soon , my mine will think i very scared failed if i failed i will feel sry about my parents ,because my parents is work so hard to pay me to come KL study, and suddenly think if i feel the subject i really very waste time..and i dont wan to waste a lot of time to study in diploma..if i will failed i will take b the same subject ,like tat is really really bored ,tat also can make my study passion become lower and lower so i dont want this kind of thing happen to me..but now is really hard because got 1 subject is really hard for me and other still ok ok...i really duno how..if i failed the subject i will feel i am waste 1 year to come here study..but if i give up in the diploma i feel i am just nothing..if failed the subject will feel like i go wrong way tats y i feel i am lost..if lost want start from begining is very hard..i know i can stay at my comfort zone ..but how and where is the motivation for me?i cant find my motivation..T_T...