Each of us when separated, having one side only, like a flat fish, is but the indenture of a man, and he is always looking for his other half... And when one of them meets with his other half, the actual half of himself, whether he be a lover of youth or a lover of another sort, the pair are lost in an amazement of love and friendship and intimacy, and will not be out of the other's sight, as i may say, even for a moment: these are the people who pass their whole lives together: yet they could not explain what they desire of one another. For the intense yearning which each of them has towards the other does not appear to be the desire of lover's intercourse, but of something else which the soul of either evidently desires and cannot tell, and of which she has only a dark and doubtful presentiment. Suppose Hephaestus, with his instruments, were to come to the pair who are lying side by side and say to them, "What do you people want of one another?" They would be unable to explain. And suppose further, that when he saw their perplexity he said, "Do you desire to be wholly one; always day and night to be in one another's company, for it this is what you desire, I am ready to melt you into one and let you grow together....." There is not a man of them who when he heard the proposal would deny or would acknowledge that this meeting and melting into one another, this becoming one instead of two, was the very expression of his ancient need. And the reason is that human nature was originally one and we were a whole, and the desire and pursuit of the whole is called love.