 you're going to have a hard time getting anything from it. And so some degree of familiarity is necessary. But if you know everything about a topic area already, then there's nothing new for you to learn and you may not find it engaging or interesting or be willing to go down that rabbit hole. But when we find something aesthetically pleasing, when we find something moving, it's actually a teaching signal for us. It's a motivational learning signal that guides us towards where we might be able to learn something. So