If you want to fly, give up every thing that weighs you down. -Gurubogsa
who every is reading this you are an amazing person and don't give up!

A cumulative exam means say that in December you're going to have to restudy whatever you learned back in September. Because that involves spacing, you're going to learn a lot from doing it. Spaced learning is especially important for long-term learning.

Also it would have been better for you to put questions so we can still help you as much as you would like.