Ironically, being faced with a difficult task, such as giving an important speech in front of your boss and coworkers, may be less stressful than our anticipation of the event itself.
While it may only take 15 minutes to give the speech, we can spend days fantasizing about all the different ways things can go wrong. Instead, you might consider making the active choice to visualize yourself giving an excellent speech that receives rapturous applause.
It’ll both calm you down and make giving the speech easier.
Read the full article here: http://www.mayoclinic.org/visualize-success-you-want-to-achieve/expert-blog/bgp-20207810