What is the difference between girls, aged 8, 18, 28, 38, 48, 58 and 68?
At 8 you take her to bed and tell her a story.
At 18 you tell her a story and take her to bed.
At 28 you don't need to tell her a story to take her to bed.
At 38 she tells you a story and takes you to bed.
At 48 you tell her a story to avoid going to bed.
At 58 you stay in bed to avoid her story.
At 68 if you take her to bed that will be a story.
