Hope your appointment went well. My general advice for folks is just to relax. This is their specialty. Urologists go to school for a long time to specialize in the types of conditions we have here. So, I guarantee he will not be surprised.
When I started seeing a urologist when my bedwetting returned, I explained to him my symptoms and how I manage with using adult diapers. I smirked a bit as I said it so that he would know I wasn't embarrassed. He chuckled and said, "you'd be surprised at how common it is." He said that I seem to be managing it well, and therefore shouldn't worry too much about it.
Hopefully your urologist is as cool as mine!