My grandma taught me everything about Christmas. I was just a kid. I remember tearing across town on my bike to visit her on the day my big sister dropped the bomb: "There is no Santa Claus," jeered my sister. "Even dummies know that!"

My grandma was not the gushy kind, never had been. I fled to her that day because I knew she would be straight with me. I knew Grandma always told the truth, and I knew that the truth always went down a whole lot easier when swallowed with one of her world-famous cinnamon buns.

Grandma was home, and the buns were still warm. Between bites, I told her everythi...