Hah this is funny! bf always does this to tease Uni. She will come flying over to defend me! He also teases her with pretending to try to steal her bullysticks and chews. Uni gets aggressive when we hype her up for it. The fake hitting is the easiest to do, but for some reason if I fake a yelp or two, then she knows its my bad acting and she doesn't respond in the same way anymore. She is smart.