Now I have established a cocky funny theme—her wanting to hang around us and that is why she keeps coming back to our table. Of course, she has to come back to our table: She's the waitress. And when she does, I smile at her and give the other guys a knowing look in front of her as if to say, "See, I was right." All along, I strive to make the interaction come off like I have known her for a long time. This establishes a level of familiarity that usually takes several meetings to build. So now, after a while, I will say something like: