The Most information in this text is which excerpted from the scientific reports and quotation from many scientists. opened my eye to know about It intends to present the study of smiling people in different contexts, genders, and ways of life. In my opinion, this information is very useful for the readers in that it helps them to understand the nature of smiling from both of men and women better in order to prevent the misunderstanding of smiling as ridicules in such a critical moment.