Yes, noticed the grin, but couldn't see why it was there on that particular post Jingle. My little grandsons are not far off five, and are full of curiosity, as I imagine are the majority of children that age. They have been swimming and holidaying from infancy, and have seen every shape, size and sort of person in various states of undress. The most dramatic change that they wanted to know a LOT about was the appearance of mum's best friend on the beach, with her 32FF 'boobies' after her op last August. That was the topic of conversation for a couple of days, then they got used to seeing the change (took me a bit longer!) Most children will regard gender transition in the same way - the schoolchildren would certainly not have been seeing the intimate physical changes in their teacher's appearance.