It could be any type of social or business setting, where you need to come across crystal clear and shine. To be someone others will remember you by for your charisma. You instantly know when a person is uncomfortable in these situations, as they act extremely aloof and nervous.
They could be rapidly blinking as their head is bobbing up and down. What they’re doing is making a poor first impression.
Then the thought is maybe they don’t like you, or there’s something wrong with them. Their mind is clearly …