In addition to my other numerous acquaintances, I have one more intimate confidant…My depression is the most faithful mistress I have known — no wonder, then, that I return the love. — Søren Kierkegaard, “Diapsalmata,” Vol. 1, Either/Or: A Fragment of Life. (Penguin Classics; Revised ed. edition December 1, 1992) Originally published in 1843.