first,confidence is a very important factor.confidence can bring us power of facing people.for example,intruduce yourself to strangers or new friends,talking and chatting with them.once you have confidence of yourself,you will be a very friendly person.
second,you have to try to know a people when you first staring theireyes.you can see a people's style from their clothes,but you also can see what kind of person they are and what they usually do.for example,people who like to wear formal clothes usually have meetings with upper-class people,so they don't like those street styles and they don;t have many time to chat with you because they are busy about their work.once you have this skill,youwill know the kinds of person around you,and you will know how to talk to them and what to chat with them.
希望能帮到你吧
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