We twenty-first-century Americans are all, whether we like it or not, products of a certain amount of marketing. If we grew up with television, or even with magazines, certain notions of what we ought to eat and when are embedded in our brains, and half of them were invented out of whole cloth by Madison Avenue.
So, for example: it got cold this week, I left the windows open all night, and by lunchtime Monday the house was still cooler inside than most people would heat it in the winter — and felt even cooler than that from the shock of the sudden temperature change. And I felt strongly that I simply must have a grilled cheese sandwich and a bowl of cream of tomato soup.