Usually I refrain from offering medical advice on this site, but today I will make a small exception.
If you are going to see a doctor for the first time, and especially if your primary complaint is "bad nerves," you probably want to create a favorable impression. After all, if you are going to inveigh upon this doctor to give you "nerve pills," it helps if the doctor trusts you to use them properly.
Which leads me to this tip: When going to see a doctor for the first time, it is a good idea to bring your old prescription bottles along for your doctor to review. It is a bad idea to bring your prescription bottle of Xanax in a felt Crown Royal bag.