Hi Kewtie,
How wonderfully reasurring that your neuro said he'd stay with you until he finds out what's wrong!
Half your troubles are solved already!

Waiting is a real challenge - physically and emotionally.

A very wise person in here gave me wonderful advice: (I'm sorry, I've forgotten who you are!)
Live today. don't wait until you have answers, until you feel better, etc. Just live today, just the way it is.

I hope you get some answers soon.