Smile. Look friendly and confident even if you don't feel that way. Your body will pick up on the positive energy and feelings that you generate, which will help you get centered.
Take deep breaths to get oxygen into your brain.
Pretend. There is never a better time to put on a false face of optimism and confidence.
Your brain will respond to your positive self talk, so speak kindly to yourself.
Athletes visualize their entire event so that their brain and body can recall the feelings of success and help them perform well. When speaking, we can receive the same benefits from visualizing that athletes do.
Expect to do well. Give yourself lots of positive feedback.
Remember a time when you did well. Keep thinking of that time.
Speak about things you care about, which will reduce jitters because your focus will be on the subject.
Avoid caffeine, which can increase your nervousness.