1 If you want to know some other people's things ask them a question when they finish answering keep silent and eye contact ,they'll tell you more .
2 You try to convince others make sure they are seated and you're standing,this will make them believe you more quickly.
3 The Key to Confidence it's walking into a room and suppose everyone likes you
4 By mentioning someone else's name to reduce the sense of distance
5 If someone is attracted to you they're talking to you eyes shine more than usual
6 Pay attention to other people's feet when speaking if their feet point at you ,explain that you are interested
7 Let people do what you want them to do provide them with choices not commands ,fo example:I want to invite you to dinner ,Is this week ok? Not that I want to invte you to dinner you got a minute?