Yeah, my nose seems very sensitive to the pollen, flower and even make-up. I have put on a mask, hopefully it works.
I understand your feeling when traveled to Japan at the first time. Just after checking out in the airport, a strong feel is that, wow, so crowed. But to be honest, you can strongly feel Japan is very clean, tidy and everything is perfectly organised.
Yes, we are always very busy when in Japan. You may not believe that we are running on a 24 hr per day basis. Sort of tiring but quite happy for the good output. It is actually a very good training for the students.