On this particular day, we had just consumed a huge lunch at our favorite Cuban restaurant, El Caney on Stock Island. Later that afternoon, we drove to downtown Key West to take a long walk and watch the sunset. We really weren't hungry for dinner, but we thought maybe we'd just get dessert somewhere. That was when we remembered several people telling us about a dessert restaurant named Better Than Sex, they only offer dessert on their menu. "Why not," we said, "how about we just have dessert for dinner?" Music to the ears of our server. As you can see…