"They were born together," he answered, "Neither is elder, not even but a few minutes.  They were so tightly entwined in our mother's womb that the midwife had to cut her open to remove them as one squirming huddled knot.  And they have been loathe to be apart ever since, to the point of screaming and violence as young children whenever they were parted."<br/><br/>He guided them to a hallway, leaving away from a stair that descended deeper, made of much older stone than the ones around them.  From those depths came a soft whispering, and it seemed the voice in her collar became louder in response.