Exposing yourself to more interviews will make it easier, I stutter frequently and it's made me very shy and nervous and anxious. Whenever I had to interview, one thing that helped was letting them know before hand, it eliminated the fear of them finding out when I actually stutter which is right around introduction anyway for me, don't feel bad my guy it happens but that feeling is for a second and we move on. Props to you for showing up tho, I used to fight myself whenever I had one. Go enjoy yourself and keep doin you