You may cure yourself of a depression by forcing yourself to perform, in rapid order and with excruciating concentration, half a dozen or so unpleasant chores, especially if they have long been postponed. This is a kind of homeopathic purgative, a treatment of like with like.

Time and the Art of Living (ed. Houghton Mifflin Harcourt, 1997) - ISBN: 9780395898314