"This is why you're fat."

I keep getting spam (at least I hope they're spam) emails, with this as their subject line.

I don't need to be told. I know the reasons: they're twofold, and they're very clear.

1. I like food.

2. I dislike exercise.

As they say in the classics, "You do the math."

(If you're reading this via Facebook Notes: this post is redirected from my 'head vs desk' blog.)