Well, if a Doctor of Letters reads letters to the sick, what do other kinds of doctors do? Doctor of Arts? Doctor of Business Administration? Doctor of Divinity? Doctor of Education? Doctor of Jurisprudence? Doctor of Ministry? Doctor of Musical Arts? Doctor of Philosophy? Doctor of Theology?
I once proposed a contest, regarding the commonly-awarded Doctor of Humane Letters, to determine which letters were the most humane. I kind of liked E and W. My wife leaned toward Y and U.
How about the letter that reads: "Dear John: "I've fallen in love with your buddy, Jim and am pregnant with his child. Your things are with your mother. Have a nice life when you get back from the front. "Love, "Jane."