One of the two adult female friends got married and went on honeymoon to Hawaii.
On return the curious girl asked her friend, “What sightseeing places did you go to in Hawaii and what did you see?”
The honeymoon girl explained, “For seven days, I saw only the fan on the ceiling of the room and occasionally when turned around, I saw the bed sheet too. “
This joke is included in the Black Book of Jokes. You can order it from here.