When a physician remarked on a new patient's extraordinarily ruddy complexion, he said, "High blood pressure, Doc. It comes from my family."
"Your mother's side or your father's?" Doc asked.
"Neither," he replied. "It's from my wife's family."
"Oh, come now," Doc said. "How could your wife's family give you high blood pressure?"
He sighed. "You oughta meet 'em sometime, Doc!"