A forever work in progress

"Good morning class'" "Good morning Mr Hill," the class responds somewhat out of sync and with the enthusiasm you'd expect from a group of teenage students on a Monday morning.  "Brilliant, cheerful as ever. Just to pre warn you all, today's lesson is going to require some level of participation on all of your parts." The class responds with audible groans from all corners.  "Perfect, just the reaction I was after. This won't be painful for us at all then. Right, who can tell me what a self fulfilling prophecy is?" Mr Hill looked around the room. No raised hands. "Anyone at all before I start picking on people? Yes Michelle?"  "Is it something to do with predictions Sir?" "Well done Michelle it is indeed. Anyone want to tell me what the self-fulfilling part means? Yes Marie?" "Well the self is about me Mr Hill." "Well done Marie, anyone know the McFly song, It's all about you? No? O...