"As a child, I also had Kneasles," he explained.
"You mean Measles?" she asked.
"No, Kneasles. It was a strange illness that only affected my knees."
The new bride had to be satisfied with this answer.
As the undressing continued, her husband at last removed his underwear.
"Don't tell me," she said. "Let me guess...........
"Smallcox?"