These are only three tips listed below there are many more you can try to help manage your Stress levels;
Breathing _Count to 10 and take 10 deep breaths. Gently focus your attention on a place you know where you feel relaxed.
Physical Exercise_ Any form of exercise that you enjoy works off negative emotions and generates a feel good feeling.
Meditation_This simple technique gently lifts and disperses negative emotions. Sit in a quiet room and focus on the movement of your breathing or gently repeat and focus on a word that feels comfortable for you. Continue for 10_30 minutes.