I miss being young but I don't miss young love. Just move on. You won't remember her years down the road and if you do then it will be in passing.

You are both in a learning curve. Do not hide feelings and be brutally honest. Being completely vulnerable and expressing oneself is the only way to have a successful dom/sub relationship.

Japan has no offensive military. They themselves voted to never have one again. But it the current political climate of the world I wouldn't hold it against them for breaking that vow.