aging problem After a long time, I use the final train to go home from the office. When I was younger, it used to be common situation. But if I repeat this attitude now , I might die... The aging problem has been more serious than I thought.

Nihongo When I see some questions about Japanese sentences and grammars, I can notice it's very difficult even for Japanese people. Don't be ashamed! There are a lot of Japanese people who can't use own language properly.