I flicked my cigarette stub over the window and headed for my abandoned students. I found them still, like I left them, and Melinda seated at her desk.
'Okay, so where were we?'
'The sum of the natural numbers'. I looked up to where the sound had come from and the culprit was this boy whose name I can't remember, for the life of me. He looked like a miniature wrestler from the eighties, all bulked-up around his biceps, and slimy, long blonde hair, falling to his shoulders. 'But what Melinda did is not what you taught us'.
I turned to look at the blackboard, all brightened up by the white scribblings of chalk, and even wondered how Melinda could've filled all this in the space of ten minutes, which is the time I spent talking to Ben. I scanned all the way to the end result and there it w
