Interview nerves, what actually helps? - any advice?

I have an interview on Friday and my stomach is in knots. I would rather hear the honest version than the polite one. I want to come across as confident and honest.

Thanks for writing this out. I went through something close to it last year, and it settled down once I kept a simple log of every call and form.

I record myself on my phone and listen back. The second try is always better than the first.