“They were like, ‘We don’t want to end it,'” Howerton recalled his co-stars saying. “And I was like, ‘Oh, well I can’t stop you.’ And then Seasons 13 and 14, I came back as an actor but I wasn’t in the writers room.”

I had not figured out yet how to stretch myself and be able to do other things that I wanted to do with my career outside of the show,” Howerton explainedNEED TO KNOWGlenn Howerton revealed during PaleyLive's panel for the 20th anniversary of It's Always Sunny in Philadelphia that he almost quit the show in 2018He said that being an actor,

"I was aching to do other things and so I was starting to feel a little boxed in," the star and co-creator adds.