First, some (contestable) definitions. Our habits become conventions when we negotiate and then share them with others, and become custom when they sink deeper to take on a regulative role within the life of our community; these customs have something like a self-perpetuating power, and outlive the contexts that gave them birth and made sense out of them, mutating in the transition from context to context, at least intermittently demanding verification or reaffirmation.
Here, I was originally going to explore, loosely, the curiosities associated with the secularization of Christmas — Christmas as a custom. I am forced to cut this short, however, with no guarantee that I shall be able to return to it soon, as the semester has begun in full swing. Here are the first two of the five sections of the original.