You've come through all this way and went through approximately 13 - 14 years of education for you to want to quit now?? comee onnnn!! With hardship in anything if you work your butt off there will be ease in the end. Let your mock results motivate you into putting everything that you have into the next coupla months. A levels are the hardest two years you will face so dont be afraid to fall back at times but instead pick ur self up and keep running. You can do it fam i believe in you