http://www.telegraph.co.uk/news/newstopics/howaboutthat/4043727/Too-much-thinking-can-make-you-fat.html

Try the American Idol diet?

Can I show this to my wife, to explain that my gut isn't my fault, it's that I think too much? She'll never complain again when she asks what I'm thinking, and I answer, "Nothing."

It's worth a try!