8. When her boyfriend gets sincerely upset at her blunders.
Some Japanese women appreciate their boyfriends’ criticism because they know it comes from a place of love. “He helped me realize a lot of my shortcomings,” commented a Japanese woman in her 20s. When you point things out she should work on and it comes from your heart, she’ll see that and can be incredibly grateful to you. However, you could get into an argument if you are too harsh, so be careful how you tell her how you feel.