Learning a new language keeps you young. I expect to be about 36 by the time I get home in a few months.
Any interaction with someone whose life has been shaped by a different culture requires your focused attention, even when you enjoy the people you are with.
I’m listing some things I planned to write about but never did. If you like an idea and want me to write about it, let me know. Otherwise my very brief notation here is all you get.
Language is a wonderful gift, easily corrupted.