Let`s see, I`m sure these have been said like 5000 times by now but here is my list.

Feeling of safety, not having to depend on a car/ convenience of things being close together, being foreign (this goes both ways though), easier to eat healthy, easy access to good tea, all you can drink deals, good ramen, good fish, not bored or fed up with it even after 4 years, being able to use my second language (Japanese) regularly.