 You know, here's what I'll tell you. There is no exact science. It's not like this is the number and I can, with a thousand percent assurance, tell you that you have enough money. You know, I guess if your name is Bezos, then yes, I can tell you you have enough money. But for most of the rest of us, there is some number that you need to get to based on your expenses and your standard of living that makes your probability of success in retirement much higher. And so, Josh...