If you search the internet for "raising happy kids," you'll find more than 140 million results including websites, books, articles, psychological studies, blogs, etc. all telling you how to raise your kids to be happy. You can spend hours reading about the latest trends, advice columns or "Top 10" lists. While much of the advice is indeed sound—less screen time, more exercise, tell them no, eat better foods, help others—the focus is askew.   "What's wrong with wanting happy kids?" you may ask. There's nothing inherently wrong with wanting happy kids. But happiness should never be your focus, because it's an outcome. You cannot achieve happiness when happiness is your goal. Instead, if you adjust your focus to being holy—worshipping the Lord, prayer and reading the Bible, serving and blessing others—happiness then becomes a byproduct of those things. And not just a fleeting feeling that makes you smile, but true happiness. I have friend...