15 Psychological Tricks to Make People Like You Immediately
Make friends with their friends
The social-network theory behind this effect is called “triadic closure,” which means that two people are likely to be closer when they have a common friend.
To illustrate this effect, students at the University of British Columbia designed a program that friends people on Facebook at random.
They found that people were more likely to accept their friend request as their number of mutual friends increased – from 20% with no mutual friends to close to 80% with more than 11 mutual friends.