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Huck Finn, a truly perceptive gentleman from the midwest sent this one
on couple sex...

GRANDPA - WHAT IS COUPLE SEX ?

An 8-year-old girl went to her grandfather, who was working in the yard
and asked him, "Grampa, what is a couple sex?

The grandfather was surprised that she would ask such a question, but
decided that if she's old enough to know to ask the question then she's
old enough to get a straight answer. Steeling himself to leave nothing
out, he proceeded to tell her all about human reproduction and the joys
and responsibilities that go along with it. When he finished explaining,
the little girl was looking at him with her mouth hanging open, her eyes
wide in amazement.

Seeing the look on her face, the grandfather asked her, "Why did you
ask this question, honey?"

The little girl replied, "Well, Grandma says to tell you that dinner will be
ready in just a couple secs."
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