I don't know. I think we need them to stay alive, or something. [Otherwise why would they die if the wings were cut off? Zatanna thinks she remembers reading something about it, but it's been awhile.]

It was pretty amazing to be able to fly, though. [She's got some fond memories of it.] Even if things did get really confusing after for awhile.

[Which had more to do with making out with a boy than anything else, but details.]