https://www.metv.com/stories/ron-howards-happy-days-departure-was-sudden-and-undexpected

He couldn't stay Richie forever!

Ron Howard told Henry Winkler his ''feelings were hurt'' by The Fonz's popularity (https://www.metv.com/stories/ron-howard-told-henry-winkler-his-feelings-were-hurt-by-the-fonzs-popularity)

"But it’s good for the show," Howard contended.

thats not what i heard i heard he left the show to becomea dircetor