Start practicing some relaxation tools now. Know that in states of mild anxiety we are actually at our sharpest, so embrace that and let it work for you.
I did a lot of positive thinking. I would envision a black horizontal line that being the 50% line and then a red upward sloping line, that being me reaching the harder levels of questions.
I would almost chant the #75 and envision a blue screen every night before I went to bed.
During the actual exam when I came across a question that I did not clearly know, I would tell myself, OK your reaching the harder questions now, this is a good thing.
Best thing you can do is study all you can now, that way when you drive up to Pearson Vue you will have no doubts that you did everything humanly possible to get your self ready.
Also know there are millions that would kill to trade places with you right now, who would do anything to be done with school, done with clinicals, done with care plans. You made it--you graduated and your ready to prove yourself to Lady Nclex.
About 3 days before my test I just vegged out, cleaned some closets, took long walks, just like my mind relax. Get a good nights sleep and I agree eat healthy adn drink lots of water.
This is what you worked for, enjoy every minute of it, dont look at Nclex as a punishment, look at is as a reward for completing school. This is a way for you to shine and prove to everyone, your a nurse.