Or else a parent may be anxious to protect his girl, and less inclined to protect his boy; never having perhaps traced very carefully what depth of influence that early experience of his, even if of short duration, had on his own life; and therefore never having realized what lack of vigor in body, what amount of indecision in mind, of obscurity of purpose, of loss of the total sum of his individual happiness or success might be traced to it. Before the mind of a parent these human tendencies should ever be present; and it is his obligation to awaken in good time the youth under his care.