Yesterday afternoon one of those lovely spontaneous moments happened. K came into the dining room wearing a little strappy vest, spotty white knickers and a pair of Birkenstock sandals and said "Come outside. I need a wee and I just thought I would go outside for you. No talking when we open the door though in case the neighbours hear." This doesn't happen very often! We walked round the corner to the part of the garden that isn't overlooked, and she pulled down her knickers, kicked them be