What Is The Difference Between Girls Aged 8, 18, 28, 38, 48, 58 & 68?

At 8: you take her to bed & tell her a story

At 18: you tell her a story & 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 & takes you to bed

At 48: you tell her a story to avoid taking her to bed

At 58: you stay in bed to avoid her story

At 68: if you take her to bed, that'll be a story!!!!