I think Eros should be dirty. In Greek legend, as I'm sure you are aware, he fell in love with the minor deity Psyche. It was the Greek way of saying that, in spite of what it may believe, Love pursues the Soul, not the body; the Erotic desires the Psychic. If Love was clean and wholesome he wouldn't lust after Psyche.
Stephen FryMy first words, as I was being born [...] I looked up at my mother and said, 'that's the last time I'm going up one of those.
Stephen Fry