 But before we get to Maurice. What are the mumps? Exactly. Can you hear me there? I can hear you, yeah. So we talked to this guy, Paul Offit, director of the Vaccine Education Center. And a professor of pediatrics at the University of Pennsylvania School of Medicine. How are things going in your world right now? They're pretty busy. I've actually never been busier in my life. And I'm older, you know.