The path to health is not encasing our children in some kind of germ-free sterile environment that they will inevitably try to flee; rather, it is having healthy immune systems that equip us to resist and reject things that do not lead to health. Everything up to this point in the book has been about creating that kind of healthy immune system for everyone in our homes—becoming the kind of people who see technology’s shallow pleasures for what they are and set their sights on pursuing something better and deeper, together.