Fine, be that way. Here's your starter sentence-
"I said that you don't have to believe me, and I certainly wouldn't...if I were in your shoes."
All you have to do is build a story around that. Sounds simple enough, but if you've done this before, you know better. You know the deal, if you are in, please say so. Have it done by Tuesday @9 AM Pacific, April 27th, all right?
