This story is a part of the "Gratitude" — three stories centered on the theme of gratitude.Each explores the practice and experience of gratitude from a different angle.

In this story:

Somehow one cleaning woman named Brigit MacMichael is able to keep a series of very fine residences perfectly clean, tending each only once a month. How is this possible? Asher, a boy who lives in one of these homes, wishes to know, and learns first-hand about her secret: gratitude.