An 8-year-old girl went to her grandfather, who was
working in the yard and asked him, "Grandpa, what is 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 of intimacy.
When he finished explaining, the little girl was looking at
him with her mouth hanging open, 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,
"Grandma says that dinner will be ready in just a couple of
secs.