https://www.metv.com/stories/betty-garrett-recalled-her-on-screen-husbands-departure-from-all-in-the-family

Frank and Irene Lorenzo loved each other, so why did Frank leave the show?

Carroll O'Connor refused to film All in the Family after CBS workers went on strike (https://www.metv.com/stories/carroll-oconnor-refused-to-film-all-in-the-family-after-cbs-workers-went-on-strike)

"I cannot work with strikebreakers," O'Connor said.

Aside from cooking, Frank had a passion for gardening and flowers so shortly afterword, Frank purchased a small failing flower shop on Skid Row thinking he could make a go of it, but it was all he could do to make ends meet as business was not good, but then he started specializing in "exotic" plants and business started booming