An old retired sailor puts on his old uniform and heads for the docks

once

> >more for old times sake. He engages a 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 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!

> >