It does get better, trust us, I've had a TON of insecurities growing up, I couldn't say 1 word at ALL, I'm 23 almost 24 now, I got a job, as long as you surround yourself with good and understanding people you'll be able to be more confident and more relaxed, thus reducing most of the stuttering. I've done multiple job interviews, I was able to work at a relaxing moderation job, I've noticed most of my stuttering has been reduced since