***Norman & the prostitute***

..Norman, an old retired sailor, puts on his old uniform and heads for the docks once more, for old times sake and some hot sex.

..He engages a lovely prostitute and takes her up to a room.

..He's soon going at it as well as he can for a guy his age, but needing some reassurance, he asks, 'How am I doing?'

..The prostitute replies, 'Well Norman, ya old sailor, you're doing about three knots.'

..'Three knots?' he asks. ' What's that supposed to mean?'

....She says, 'You're knot hard, you're knot in, and you're knot getting your money back.'