 No obvious signs. Maybe they have slowed down. Maybe something has happened. But they were able to muscle through all of that, right? And that goes to the concept of plasticity of the brain. When you exercise the brain the right way, it has the ability to create neurons, connections, synapses, to take over parts of the brain that is now not functioning the way it used to function in the yesteryears. And when you take a look at this happiness story, it's talking about why not...