Deletion of F.L.R. (Free Lunch Ratio)

Comment: Thing made up one day. The claim it will be used in the author's next book smacks of the |crystall ball. (And "Y'all" in written text seems odd, since it is normally spoken rather than written, but has no bearing on whether the article should be kept. Bah now
Stance: delete
Cited policy: Wikipedia:What Wikipedia is not (WP:CRYSTAL)