I made the last train home with minutes to spare. Out of breath and feet killing me in the heels that looked great but were not designed for a dash across the station, I made my way down to the least crowded carriage. The nearest group of seats was occupied by a large group of boys of about my own age. My appearance was greeted with loud, suggestive comments, as the cocky and obviously worse-for-wear 18–19-year-olds eyed...