aww its ok to cry now and then but dont let exam stress get to you to the point youll have a breakdown. take breaks and do something you like to ease your mind a bit. if you like sports, running a lap or two is quite good. even if you dont do as well as you had hoped, its not the end of the day hun. I know grades mean a lot in our society but dont let it define you and make you miserable. Theres so much more out there, so many options if one doesnt work out: **** it! you know you did your best and gave it all your efforts.
Crying about school doesnt make anything better right? usually it leaves you with an annoying headache afterwards which makes working even harder. So when you feel a tide rising in your chest: move away from your books. Go get some snack, watch a video, get some fresh air whatever to give your brain a break.
So dont cry! its not worth straining your mental health for academics