Six in the third place means:
A weak, inexperienced man, struggling to rise, easily loses his own individuality when he slavishly imitates a strong personality of higher station. He is like a girl throwing herself away when she meets a strong man. Such a servile approach should not be encouraged, because it is bad both for the youth and the teacher.
A girl owes it to her dignity to wait until she is wooed. In both cases it is undignified to offer oneself, and no good comes of accepting such an offer.