"I have something percolating in my mind," Vernoff said on the At Home with the Creative Coalition podcast. "And the percolating changes. I had some ideas percolating during the first seven seasons — I used to pitch things to Shonda (Rhimes) and she'd go, 'That's a season eight idea.'" Vernoff added: "Meaning, that's the final-season-of-the-show idea. And now, we blew so far past season eight, we're in season 18. So your idea of where the characters are going to end changes each year. Every year, I never know if I'm writing the last season of the show, literally. I percolate new ideas every year. If we ended it this year, what would it be?"