https://www.metv.com/stories/desi-arnaz-on-playing-a-character-after-ricky-ricardo-i-wanted-to-get-as-far-away-as-possible-from-i-love-lucy

It was the series that made him a star, but why did he want to get away?

Lucille Ball perfected I Love Lucy on the road before it ever aired its first episode (https://www.metv.com/stories/lucille-ball-perfected-i-love-lucy-on-the-road-before-it-ever-aired-its-first-episode)

Ball was an expert in her craft.