I don't notice how my speaking has changed until I'm around exclusively Americans.
So many people said to me, "You must be so happy you get to go back to Japan." It's just not that simple.
I miss Hong Kong like you miss your best friend or your mom or your dad or your cat when you first leave home to embark on something new.
What is rosy nostalgia for me may be something entirely different and considerably less rosy for my parents.