Last year dear ol Dad didnt know anything! Dad must have grown up a lot the past year!
Another reminder of Mark Twain:
"When I was a boy of fourteen, my father was so ignorant I could hardly stand to have the old man around. But when I got to be twenty-one, I was astonished at how much the old man had learned in seven years. "
The way I heard it was Twain left home and came back in four years and said, "It's amazing how much my father learned in four years." Whatever, it's all good.