When a girl ceases to blush she has lost the most powerful charm of beauty. That extreme sensibility which it indicates may be considered as a weakness and incumbrance to the other sex, but in females is peculiarly engaging. Pedants, who think themselves philosophers, ask why a woman should blush when she is conscious of no crime? It is a sufficient answer, that nature has made them to blush when they are guilty of no fault, and has forced men to love them because they do so."
Self-help books are nothing new. They abounded in the early Nineteenth Century, all eagerly aimed at improving minds, both male and female. One such was "The Female Instructor", an extremely useful book of the early Regency with subtitles occupying the entire front page as follows:-