It's a tricky question and one that was posed to me very recently by a kind-hearted spammer.
If you answer in the affirmative, the chances are that you're in the market for Anatrim.
"We believe that you hate the unsightly appearance of people like those and the low status they have in modern society," writes Brendan Dominguez. "Or, maybe," he continues, "you can not resist a siege of your terrible eating habits. The astonishing thing about Anatrim is it improves the quality of your life by making you eat less and giving you better cheer."
Blimey. No wonder it's the "newest and most enchanting product for corpulent people available."