The day after Christmas has become known as National Thank You Note Day. As we’ve discussed, gratitude has many positive benefits, so it’s only appropriate to share gratitude with others after the influx of gifts and good wishes on December 25th. How to Write a Thank You Note With social media and texting ruling our lives, the art of writing a thank you note by hand has been all but lost. But a heartfelt, handwritten thank you is much more…