Sometimes sources of comfort can come from the most unexpected places. At least that’s been the case for a grieving(悲痛的) mom and a dad in Tennessee whose 12-year-old daughter died on January 5. Just days after Taylor Smith’s death, her parents found a sealed envelope containing a letter Taylor had written to her 22-year-old self---and its sunny, wise-beyond-her years tone appears to be a comfort to her parents.