I must not speak. Neither eyes, nor lips, must impart the information. He must not be assured that my heart is his, previous to the tender of his own; but he must be convinced that it has not been given to another; he must be supplied with space whereon to build a doubt as to the true state of my affections; he must be prompted to avow himself. The line of delicate propriety; how hard it is, not to fall short, and not to overleap it! 去书内