It's going to be okay, I think. And I think you should keep a diary or journal or whatever. Just to keep track of these things and how you're feeling. It could help you later. I wish I'd kept a journal about what happened to me so that when I tell people about it now they could see it for themselves, not just me telling them. Or, that I could look at it and say "this is what I was thinking/feeling."
The doctor who told you that you were making it up needs to not be a doctor. How is that a helpful attitude? It's not. That's a terrible attitude for a doctor!
I think your nurse wants to help you but doesn't know how. I think she doesn't understand exactly, despite being a nurse. I wish I could talk to her. Maybe talking to someone like me I could explain it to her in a way that text books and case studies can't. From the inside. This is why I wanted to be a psychiatrist myself.... before it happened to me and it turned out I needed a psychiatrist instead.