"Assume that the person you are listening to might know something you don't" is the ninth rule from Jordan Peterson's 12 Rules for Life, and I feel like I'm finally understanding a bit of what that means.
To have truly meaningful conversations is something I can only experience when I'm not just waiting for my turn to speak; the same way Tyler Durden pointed out about the help groups in Fight Club.
When someone is speaking, listen. They have a bunch to teach you.