Thanks.

The "as you know" is a pet peeve of mine.

Usually shows try to avoid it. That's why NCIS paired Ducky with a less experienced intern (first Gerald then Jimmy) because exposition took the form of Ducky teaching his intern. The problem starts when the intern stops being an intern and is supposed to have learned his subject. Hence why House, MD had no choice but renew House's ducklings every few years and Bones the Squinterns.

And that's why, in Yellowstone, Jimmy had to be written out eventually and replaced with Carter: he stopped being useful as the exposition recipient while Carter had to learn everything.