Practice deep breathing techniques to have a control over your breadth. This will help you relax your body and mind both. Go to a quiet location and try meditation. Clear your head and concentrate on your breathing to relax your muscles. Trying repeating a meaningful phrase quietly as a point of focus, for ex: OM, Gayatri mantra, or any positive sentence that I am the Best. Don't keep everything bottled up, as this will only increase your anxiety and stress. Talk it out in front of your friends and family who support you and who can understand you as a person. Do some aerobic exercises like Walking, Jogging, Cycling,and even dancing etc. This will not only help you remain fit and healthy but will also help as a distraction.