have you ever watched an old video recording of yourself? know that strange feeling you get when you realise it must be you but you can hardly relate to what you are saying or wearing – or both? i sometimes experience something along those lines soon as i begin to see old experiences in a new light. there's almost a sense of embarrassment or awkwardness as a penny drops and a little light bulb begins to flicker on at the back of my mind. how could you have thought that? how could you have seen such and such a person in such and such a way? how could you have...