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.
“I understand by this passion the union of desire, friendship, and tenderness, which is inflamed by a single female, which prefers her to the rest of her sex, and which seeks her possession as the supreme or the sole happiness of our being.”