If you are experiencing a bad day or feeling depressed, biting gently on the sharper end of the pencil will help! This action will help you get the effects similar to that of smiling. The action of smiling releases dopamine and serotonin in your brain which improves your mood. If you want to avoid yawning on a lazy day, slowly have a little cold water by taking few deep breaths. This will stop yawning and make you feel energised.
