I AM NOT VERY SATISFIED WITH MY SCIENCE MARKS......!!!!!

when i get to see my overall science marks.... i felt the emptiness in me and i have the strong feeling that if i really sit down study each and every bit of the science notes.... i can achive about 70-80++marks man.... normally when i got my results i am very happy even if its just passed... but this tyme round it's no more... its emptiness feeling... and i belive is that i know i can do pretty well but i just didnt put in the effort..... some even said i set my expectations too high this tyme round.... well whatever the reason were... i still belief ish that i didnt put in my very best yet..... before prelims and N level came knocking on my door... i am going to strive super duper de very hard to know my maths and science pretttyyyyyy well man......!!!! going to burnt mid night oil toooo... never have this feeling of burning.. maybe 1 of the holidays i try..... i might even burnt the whole house man...!!! hahs' just joking well yea i must really work hard orrghk.....well.... i now still brooding on how am i going to start refreshing myslef with all maths & science... its from sec 1 work all the way till now.... well still pounding on it....