at might be pretty serious…p of strangers, particularly when you are talking about something that might be pretty serious, but smiling puts people at ease and lets them know they can trust you, which may lead to their trusting what you have to say.
Going back to the Science of People research, Van Edwards found that speakers who smiled more were rated as more intelligent. It can feel strange to smile so much at a group of strangers, particularly when you are talking abo…