Math & Statistics
You immediately know to be wary of anyone who asks, "What are the odds?" If it's something you do -- stop doing that! It's a silly expression. Instead of asking such a thing, the questioner should calculate it for himself. If it can't be calculated, then the questioner is relying on someone smarter to do it for him, and he shouldn't be making any claims or arguments, which is the only time you say, "What are the odds?"