Welcome To My Nightmare...

There is no such thing as fear. Fear is all in your head. Many people have different types of fears like heights, the darkness and public speaking. I for one believe that they can be all concurred if you just do it. Lets say you have the fear of roller coasters get on the tallest ride in an amusement park the anticipation will kill you waiting in line and then waiting for the ride to get started, but once you are actually experiencing it you will see that there was nothing to worry about. Being afraid of the dark, is something people probably get from watching too many horror movies, but I can pretty much guarantee you that a serial killer is not going to bed hiding in your closet between the time you turned the light off (light travels at the speed of 186,000 mi/sec) so unless the crazy ax man is Flash then you have nothing to worry about. As for being afraid to speak in front of a crowd, well there is always that one  famous trick to picture everyone in their underwear, but if that doesn't work then practice makes perfect. Of course your first time presenting isn't going to be the best heck it's going to be the worst, but the key is to learn from each presentation and progress as you go. Fear is something almost everybody has, you must own your fears in order to overcome them.