Originally Posted by Pureboy

3) If you are anxious about getting lost, one thing that relaxes me in Tokyo (or any city with a well marked subway system) is that as long I can get to a station, I can find my way back to the hotel. Tokyo's is more extensive and confusing than most other systems, but if you know the subway line and station closest to your hotel, you can certainly ask at the station how to get back. This, combined with the aforementioned general safety and friendliness/helpfulness should ease your anxiety.