The odds are against the gambler. If you want more and more, gambling is not a way to do it. So I would like to know what's something that you have gambled on in the broadest sense of the word and why. And I also want to know if it was driven in part by greed. Make a voice memo, use your smartphone,. Just do it in a quiet place, include your name, what you do, where you live, and send the file to freakedonomics.com.