A feeling may be fully awakened in a child before the unperceptive guardian will even think there could be any possibility of the child's having any idea of sex; and a child in its ignorance will deal in its own way with a thing which it finds enjoyable or interesting, and will discover some means or other of self enjoyment. The parents have not spoken to it of such things; and having found some new sensation in life, it gladly seeks a comrade to share in the new interest. In this way one child learns from another, hiding the fact from its parents; and so a habit may grow and become quite natural without having any special significance to the child at all.