"It is difficult to know at what moment love begins; it is less difficult to know it has begun. A thousand heralds proclaim it to the listening air, a thousand messengers betray it to the eye. Tone, act, attitude and look, the signals upon the countenance, the electric telegraph of touch - all these betray the yielding citadel before the word itself is uttered, which, like the key surrendered, opens every avenue and gate of entrance, and renders retreat impossible."