By Leslie Lindsay  Denmark, home of Hans Christian Anderson and Lego toys, has been voted the happiest country in the world for 40 consecutive years, most recently in the 2016 World Happiness Report. What is the secret to this consistent success? Can happiness become the new Danish export?  That’s what THE DANISH WAY OF PARENTING (TarcherPerigee/RandomHouse, August 2016)  And I have to say, the concept became intriguing to me. When I learned the U.S. ranked 17th in “the most happy,” just under Mexico, I wanted to know why and what did the Danes have on us? Here’s a breakdown of the book, which spells out  P-A-R-E-N-T and is how each chapter is organized: P – Play: Why free play creates happier, better adjusted, more resilient adults. A – Authenticity: Why honesty creates a stronger sense of self and how praise can be used to form a growth mindset rather than a fixed mindset. R – Reframing: How shifting our perception can improve relationships and well-being. E – Empathy: How fostering an empathic household can help …