But that's so much better than the GP. If the GP smiles at the waitress, he can only manage a real smile at her as her superior or a fake smile as a fellow hum

But that's so much better than the GP. If the GP smiles at the waitress, he can only manage a real smile at her as her superior or a fake smile as a fellow human being. You at least have the option of a real smile as a fellow person.