Silence isn’t golden with your Japanese girlfriend
Understanding your Japanese girlfriend can be very difficult, but not impossible. Probably one of the hardest things for Western men is catching those “non-verbal” cues that she sends out almost constantly.
The one that Japanese women use quite often is not really a non-verbal cue, but instead is not talking at all. This is a little different than the Western woman’s “I’m not talking to you because I’m mad at you” but rather “You won’t try to see things my way so I’ll just be quiet and deal with it.”
Japanese women (and Japanese people in general) prefer to quietly deal with bad situations rather than to verbalize their disapproval. This works in arguments as well. For example:

