Thanks for the comment Lizard2112; in fact, what I've found weird was not the sudden disappearance of Cindy (her name was that, I presume); but rather, that noone mentions about her again. On the other hand, whenever a fella disappears or falls into danger, almost always someone comes out with a helping hand (there are many examples). Noone seems to care about poor Cindy, eh?

Maybe their minds were too busy with Shannon's "collision" with Ana Lucia; Sawyer's condition and stress between Sayid and Ana Lucia...