I have developed a minor case of what I believe to be Dyshidrotic eczema. I'll be going to sleep earlier now, methinks.
I finished Surely You're Joking, Mr. Feynman!. One part at the end resonated in my head:
"The first principle is that you must not fool yourself -- and you are the easiest person to fool. So you have to be very careful about that."
Very careful indeed.