It is the necklace, I can't figure out why it is taking Lois so long to get that there is purple Kryptonite. I've often thought of this possiblilty for an nfic. there may have been someone else who used a purple version but if so I don't remember who. Too bad the mayor of horny town hasn't wondered over to the nfic boards for some action.

Clark: “If we can be born in an instant, and die in an instant, why can’t we fall in love in an instant?”

Caroline's "Stardust"