Don’t hide behind your hands
It’s normal to be nervous during a first date or a job interview, but don’t let your body language give that away. And as Dr. Nick Morgan, author of Power Cues: The Subtle Science of Leading Groups, Persuading Others, and Maximizing Your Personal Impact, explained to Business Insider, one of the worst things to do while talking to someone is put your hands in front of your face, as this is indicate of “nervousness, self-consciousness, [and] introversion in general.”