It must be really tough doing everything by yourself, especially at a time when mostly everyone is sleeping. It even looked like she was way too busy to smile, as she prepares my buy one, take one cheeseburgers. I thought that this was going to be hard because she hasn't smiled to any of the customers that came before me. Surprisingly, after paying for my orders, she genuinely smiled at me when I thanked her. Apparently, "thank you" was the magic phrase. Goal achieved!
From time to time, we would want to feel appreciated because it makes us realize that we are loved.