The criterion for success is the traces of one's life. What traces have the friends we work with left behind? When you do work with someone, look at your job and look at your history. People with failed stories are not failing. Take a look at who you are with, how many signatures they have, what time you spend, and the criteria for the people you follow.
https://www.youtube.com/watch?v=PRtOHNhKLnk