I was told as a child to be seen and not heard. Not because I was a girl, but rather because I was a child. I failed a lot.
When I did succeed, I discovered a secret. By being quiet you notice what other humans often do not see when their mouth is running off with their own words. You can see sadness in postures, you can hear the hurt behind the words, and you can feel the tension or happiness in the way the air moves out of lungs to form words.
Sometimes being not heard is better than being heard.