I just read this one in a mag my friend left at my place... enjoy.

Two men are playing a round of golf when they get stuck behind two women.
Eventually, one of the men walks over to ask if they can play through. He
scuttles back and says, "When I got closer, I realized it was my wife and
mistress. You go and ask them instead."

The other guy walks over to the women but hurries back and says, "Small
world."

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Nom=de=Plume