what is stopping me from working hard??

I wonder why am i not working as hard as i should...i know the consequences of not getting a good score.....I know I will have to make a lot of different choices if i dont do well...i want to do well..i want to work hard...but y am i not?????wat is the latest excuse that i want to convince myself with?????i know i will repent if i dont work hard...then y am i not working hard????? why do i study only when itz the question of life and death.......i know nothing is impossible then y am i struggling....???i know i can do a lot better then y am i not actually doing something?????? time is running out...the countdown has already begun.....i need to sort out these mental blocks .... august 4th is the day......there can be two emotions that i can go thru on the evening of august 4th.....lets see which emotion i choose.....