I'm seeing a otorhinolaryngologist for the first time in my life and I'm really nervous.

I'm seeing a otorhinolaryngologist for the first time in my life and I'm really nervous. Stuttering is something I've had to deal with pretty much my entire life, and now (I'm 20) I'm finally doing something about it. In a couple hours an otorhinolaryngologist will see me and I really don't know what to expect. I don't know why I'm just really nervous about it. Do you guys have any experience with these types of therapy? Anything you can share?