I'm not sure what the generational breakdown of the members on this site are. But I'm sure that many of you share experiences of vivid fantasy role play as a child. I remember distinctly that when I was little I used to wonder if playing pretend with invisible things was a strange and abnormal thing, I also recall watching episode upon episode of Barney the purple dinosaur...remember how he encouraged kids (almost compulsively and subliminally) to use their imagination? "Barney is a purple…