Josh Catlett presents a guide of what he learned while in Japan recently (spoiler there was an awesome Gundamn statue)
If you find yourself more than a little confused and think you may be going crazy, don't worry, you're just in Japan.
I sampled a lot of food while there and, no lie, the only thing that made me sick was the food from the "100 yen menu" at McDonald's.
The John Lennon Museum in Saitama City is the only place I visited that had mouthwash in the bathroom. Ironic, given the stereotype about British oral hygiene.