Dont worry Rose in Bloom! Most people at my school thought it was a really hard paper so that will help the grade boundries to go down. And, as it was one of the last exams, a lot of people couldnt be bothered to work for it. That means that the work you did will have made a big difference!
Seriously honey, dont worry about it. Its such an easy thing to say and I know its hard to put into practice. Worrying and thinking about it doesnt achieve anything. Just try and immerse yourself in getting a job or travelling or seeing friends or getting a perfect tan!!
You'll of done better than you think. Take care xxx