This is certainly only one small aspect, but: Don't upspeak. [1] It's one example for non-verbal behavior that impacts the perception of your stance and status

This is certainly only one small aspect, but: Don't upspeak. [1] It's one example for non-verbal behavior that impacts the perception of your stance and status. [1] https://en.wikipedia.org/wiki/High_rising_terminal https://en.wikipedia.org/wiki/High_rising_terminal