Gwenn, that's wonderful and I don't think you're bragging at all. I'm excited for you! She must sense something in you and feels you're capable. You have every right to be proud of yourself!
I don't know what to say about GA. Do you have an idea of what area you might end up in? Can you look and see what resources there are? Maybe talk to the people you know here and now and see if they have any knowledge about GA?