Quote Originally Posted by KitKat
Hey, then maybe you'd get an even better wish granted for killing her *mischeivous grin*
since she's better than what I had whished for the one sharing my life... I really can't even pass the psychological barrier of imagining myself killing another human being. So you'd understand why I can't go where you're headed.

Poor someone sharing your life

Then there's a second idea:
How about a Greatest Wish that once granted is even better? I guess that means the person didn't really think about their Greatest whish