Amen on the value of imperfect tutors. I'd say that the best moments of early adolescence come when you dispute something with an adult -- and are able to establish they they're wrong and you're right.

Later on, we have to learn how to do this delicately enough that we don't make enemies. But the journey to adulthood takes a big step forward during those early rushes of realizing that we can see/recognize things that our elders cannot.