When I was a kid yes. But over time you get used to it. It's annoying but the main thing you have to try and develop is confidence so you don't let it hold you back as much. I speak to clients on a daily basis in my role and it's a minor annoyance but manageable. As other people mentioned meeting successful people with stutters is helpful (Kings Speech film is good too). And looking at things from other peoples point of view, most people didn't even notice I had a stutter for years, but I mostly block so it might be different. In reality people don't care as much as you think.