Most people respond to a smile with a smile.
Most people smile at least 22 times a day :)
People usually smile.
When you smile it lets other people know that your in a mood of happiness. When you meet a stranger or somone that you do not knoow they probably smile and you smile back. For kids they smile at someone eles that's a kid the other kid most likely wont smile back. It just depends on the person that you are smiling at.
Most likely, a high proprtion of them.
Most people usually get physically attracted to the smile and the eyes. It however usually comes from the heart.
The main reason is because photographers didnt really allow customs to smile in photos but the old times were rough and people didn't have many things to smile about I hope I helped xxx
People laugh or smile because they are happy.
maybe they laugh allot or they want to make people smile that's why they smile=)
It's an instant response to a smile. It means they are happy to see you.
One great result of smiling is that most people you smile at smile back. If you just smile at someone while walking past that person will probably feel special that someone has smiled at them.
People smile when they are happy about something. It is the side effect of a strong emotion - happiness!