Interview nerves, what actually helps? - any advice?

I get tongue-tied when I am asked about my weaknesses. Thank you in advance. I want to come across as confident and honest. What calms you down?

Ask about the first ninety days. It shows you are thinking about the work.

Thanks for writing this out. I went through something close to it 2 months ago, and it got easier once I kept a simple log of every call and form.