I think it's worth evaluating the sort of environment you're in. I don't know about you but I personally find it too difficult to speak in noisier environments with loud music and too many people speaking at once. It excelarates my stuttering and puts my mind under a lot more unnecessary pressure to fluently speak to make sure people can hear me. I'd much rather a calmer environment, and this goes for non-stutterers too who may feel easily overwhelmed. Just because you stutter, it doesn't make you an awful communicator. This may be very hard to believe but take a step back and re-evaluate what the meaning of good communication means. It doesn't mean you can never block up, repeat or fumble on your words. For me, it means showing patience. Letting the other person finish talking. Not interrupting them. Maintaining good eye contact. Displaying empathy for what they're saying to you. Having good posture and body language. Humility and modesty are very attractive traits that will get you far with people. Throughout life, you're likely to meet all sorts of people with their own insecurities and speech impediments but it doesn't have to make them any less confident of a person.