Achieving success is your choice. If you are used to being outside of your comfort zone, you will be able to handle whatever situation you are faced with. Find a way to stay focused. Feeling uncomfortable means you are experiencing new territory and moving forward. An old saying tells you to fail forward. Stepping out of your norm will add energy and excitement.
You may feel self-conscious, but this will fuel your thoughts and actions while allowing you to continue to grow and learn. Your personal growth is completely dependent on your ability to push the limits of your comfort zone.