He defined that the stranger is someone you are not familiar with, but that doesn't mean he has no connection. He believed that distance could cause people to have different associations or interactions. For example, Cathy and Haley are very close friends, so when they go out together, they can share all the secrets and what happened in their daily lives. In contrast, Cathy and Regan only met on class time, so they never discuss their private life together. In conclusion, the interaction will take effect based on the distance of the