6. When her boyfriend acts child-like around her, even though he puts on a cool facade in public.
Showing a side of yourself that you don’t show anyone else can be an effective way to appeal to a Japanese woman’s maternal instinct. “It’s just super cute,” commented a Japanese woman in her 20s. Let your girlfriend know that she’s the only one by saying, “I feel comfortable enough to fully be myself with you.” These words, according to the survey results, will make her want to “care for you forever” and will make her even more affectionate towards you.