It's good to try and meet new friends in life.
John is at a corporate event and sees co-workers as well as visitors attending the event.
John wants to talk to someone.
John finds a new person to talk with and gets to know him better.
John finds a co-worker to talk with and chats with him the whole time.
The person John meets is able to help him with his career.
John's social circle stays small, and he gets into a social rut.