 Two, yes, it releases all sorts of nutrients that you can't get in raw food. And there are nutrients that it also breaks down. So ideally, you want a diet that contains both raw and cooked food. But previously, we didn't have any cooked food. And it really does release a slew of nutrients. And so the argument is, were those nutrients actually healthy for the brain and driving the evolution? Or was it more that we just had more reliable calories that could be preserved for days or weeks on end?