 The immune system is that way. If you try to protect your kid from dirt and germs, they're gonna have autoimmune diseases, their immune system won't work. If you expose them to dirt and germs, let them play in the dirt, they'll be healthier. So there's a very important concept. And now to go back to your point, as we've made lives easier and easier for us as adults, we've made it easier and easier for our kids,