During speeches,you aren't letting loose your mental stresses and that's why you can't speak quickly,and stutter is not relevant about speaking speeds but your mental [stresses.You](https://stresses.You) can tell yourself it won't kill you if your stutter will be overt and made fun of. If your personalities are charming enough,nobody will say 'oh you are a PWS,so I gotta run away from [you.You](https://you.You) such devil!'.Actually nobody will permanently remember how you are or even who you are unless you really piss off someone forever. Just go ahead to say carefreely and tell yourself stutter is not that embarassing.What will really destroy you is your mindset about it.