 One, really successful business leaders. But YPO isn't just about, hey, how can I build my company and get rich and do stuff like that? It's also about how can I be a better parent? How can I be a better family member? What are the personal habits I need to have to stay sane? The more successful you get, Charlie Munger said it, right? The greatest challenge to anybody who becomes really successful is how do you stay sane? And so for me, YPO gave me real-world examples of,