http://www.newyorker.com/shouts/content/articles/060116sh_shouts
The Wish FAQ: “Hint: Avoid phrases that are open to catastrophic interpretation, such as ‘for the rest of my life.’” (Sadly no ruling on this situation (Overheard in New York): “Teen boy #1: I’m starving. If I had three wishes, I’d ask for three David’s bagels. Teen boy #2: Why not just use one wish and ask for three bagels?”)