A beautiful young woman comes across an injured man lying in a ditch.

"Good heavens, what happened to you?"

"I came off my motor bike. I'm a bit beaten up but I don't think I've broken anything..."

"Well I happen to be a nurse. Here, get in my car and I'll take you to my place to clean you up."

So off they went. After a couple of hours at her place, during which she cleaned up his wounds and, er, took his mind off things in other ways, he eventually said, "I think I'd better try to contact my wife now..."

"Oh, you didn't tell me you had a wife! Where is she?"

"Still in the ditch, probably..."