“Health isn’t just about the absence of illness or pain, it’s also physical, emotional, mental, intellectual, and spiritual fitness—in short, it’s about the joy of being alive.” — Richard Louv Richard Louv is the author of wonderful books including “The Nature Principle” and my personal favorite “Last Child in the Woods,” which helped us decide that two years of homeschooling would strengthen not just Natalie’s but our entire family’s physical, emotional, mental, intellectual, and spiritual fitness. A story Louv includes in “Last Child in the Woods” makes me laugh and gives me a lump in my throat each time I read it. A mother told Louv that her family had…