9. Develop facial expressions, play with eyebrows.
People raise their eyebrows when meeting other people to inform others that they do not intend to show aggression. Our brain recognizes this signal from a distance of up to 2 m and perceives such a person as pleasant in communication. If you like a person you don’t know, give them a quick distant signal by uplifting your eyebrows.
The signals that turn off: long eye contact when playing with eyebrows, frowning brows, gloomy or evaluative look.