The thing you can't let go of is gravity. The reality of gravity in writing. If someone says something really mean in a sitcom, and the next wave isn't a reaction to the reality of that, you start losing relatability. In a lot of romantic comedies, they throw out the rules of life.
“You know, people always talk about how Jesus came down to Earth as a human being. He became a human being, But no one ever takes into account what that means.”